1 00:00:02,546 --> 00:00:05,015 [Tory] Okay, here we go. Electric car... 2 00:00:05,015 --> 00:00:06,850 One hundred percent charge. 3 00:00:06,850 --> 00:00:08,985 - Ready? - So, I'm going to put this in sport mode. 4 00:00:08,985 --> 00:00:10,554 - Okay. - 'Cause that's what I do. 5 00:00:10,554 --> 00:00:12,789 [Bisi] I hope Tory's wearing some brown boxers. 6 00:00:12,789 --> 00:00:14,691 Three, two, one... 7 00:00:14,691 --> 00:00:16,793 - [Tory] Go. - Go, go, go! 8 00:00:16,793 --> 00:00:18,462 [Tory] I know! 9 00:00:18,462 --> 00:00:20,231 - Come on! - [Tory] Yeah... 10 00:00:20,231 --> 00:00:21,265 Oh, my God! 11 00:00:22,933 --> 00:00:25,035 - [laughs] - That's a fast EV, sir. 12 00:00:25,035 --> 00:00:27,338 [Tory] But as the battery starts dying... 13 00:00:27,338 --> 00:00:30,574 - "Decreases." - See, you say "decreases," 14 00:00:30,574 --> 00:00:32,343 - I say "dying." - [both laugh] 15 00:00:32,343 --> 00:00:36,513 [Faye] Three, two, one, go! 16 00:00:42,119 --> 00:00:43,520 [narrator] Meet the team. 17 00:00:43,520 --> 00:00:44,988 [screaming] 18 00:00:44,988 --> 00:00:46,523 [Tory] This might be the miracle coolant 19 00:00:46,523 --> 00:00:48,425 that everybody's been searching for. 20 00:00:48,425 --> 00:00:50,161 Oh, no! 21 00:00:50,161 --> 00:00:51,995 [narrator] With the mechanical expertise... 22 00:00:51,995 --> 00:00:53,897 [Faye] My main concern is structural integrity. 23 00:00:53,897 --> 00:00:55,899 [narrator] ...to test all things automotive. 24 00:00:55,899 --> 00:00:57,934 - Oh! [laughing] - The engine died! 25 00:00:57,934 --> 00:01:01,172 [Bisi] The more air we push through, the more fuel siphon out. 26 00:01:01,172 --> 00:01:02,773 And boom! 27 00:01:02,773 --> 00:01:05,442 [narrator] This is Motor MythBusters. 28 00:01:05,442 --> 00:01:07,278 - [Tory] Hit it! - [engine revving] 29 00:01:07,278 --> 00:01:10,181 -[narrator] Where science... -[Tory] Whoa! 30 00:01:11,182 --> 00:01:12,816 [narrator] ...meets the streets. 31 00:01:15,552 --> 00:01:17,688 [Tory] I'm starting to feel differently about these electric cars. 32 00:01:17,688 --> 00:01:19,022 [Bisi] Oh, stop it. 33 00:01:19,022 --> 00:01:21,358 I thought you said we'll be able to get there and back. 34 00:01:21,358 --> 00:01:22,759 All we need is ten minutes. 35 00:01:22,759 --> 00:01:24,027 I'mma charge up ten minutes, 36 00:01:24,027 --> 00:01:26,363 and we'll get back on the road and we'll make it to the shop. 37 00:01:26,363 --> 00:01:28,765 It's not that long. It's like getting coffee or something. 38 00:01:28,765 --> 00:01:30,000 At least I brought something to read. 39 00:01:30,000 --> 00:01:31,202 There's just no place to get coffee. 40 00:01:31,202 --> 00:01:33,604 Hey, do you want to learn about the metallurgy of iron? 41 00:01:33,604 --> 00:01:35,206 No. 42 00:01:35,206 --> 00:01:36,873 Okay, so, by heating from 800 degrees, 43 00:01:36,873 --> 00:01:40,010 the structure will be changed. To 1,300 degrees Fahrenheit, 44 00:01:40,010 --> 00:01:41,345 the metal will be softened. 45 00:01:41,345 --> 00:01:42,713 [yawns] 46 00:01:46,817 --> 00:01:47,918 [scatting] 47 00:01:49,220 --> 00:01:50,221 Okay, that's a maybe. 48 00:01:50,221 --> 00:01:53,023 Crush it, Tory! Kill it! 49 00:01:53,023 --> 00:01:54,791 [bird squawking] 50 00:01:54,791 --> 00:01:56,827 All right, so, can we drive this thing home yet? 51 00:01:56,827 --> 00:01:59,996 - I'm at 25% charged right now. - Will that get us home? 52 00:01:59,996 --> 00:02:01,298 Not very quickly. 53 00:02:01,298 --> 00:02:03,133 - [laughs] - Ugh! Why not very quickly? 54 00:02:03,133 --> 00:02:04,701 Well, at 25%, 55 00:02:04,701 --> 00:02:07,571 I don't think I'll have as much energy or power as when I'm fully charged. 56 00:02:07,571 --> 00:02:08,705 No, that's not what they say. 57 00:02:08,705 --> 00:02:10,541 People think that electric cars will perform the same 58 00:02:10,541 --> 00:02:12,243 no matter what the state of charge of the battery is. 59 00:02:12,243 --> 00:02:13,544 And you're saying that's not what you're experiencing. 60 00:02:13,544 --> 00:02:14,745 No, that's not our experience. Mm-mm. 61 00:02:14,745 --> 00:02:16,613 There's a myth here, folks. Help me out. 62 00:02:16,613 --> 00:02:20,617 All right, so the myth is an electric car with 25% charge 63 00:02:20,617 --> 00:02:24,054 will not perform as well when it's fully charged. 64 00:02:24,054 --> 00:02:25,756 - I would like to test that. - All right. 65 00:02:25,756 --> 00:02:27,691 Sounds like we're going to the race track. 66 00:02:29,159 --> 00:02:33,096 [narrator] Yep. Testing this tall tale will need speed and space 67 00:02:33,096 --> 00:02:35,131 to put the pedal to the metal. 68 00:02:35,131 --> 00:02:36,933 Ask any auto owner 69 00:02:36,933 --> 00:02:40,571 if their car's performance fades as the fuel gauge falls 70 00:02:40,571 --> 00:02:42,539 and you'd be laughed out of town. 71 00:02:44,808 --> 00:02:46,677 But when it comes to an EV, 72 00:02:46,677 --> 00:02:50,914 Bisi believes battery depletion decreases acceleration 73 00:02:50,914 --> 00:02:52,383 and reduces performance. 74 00:02:55,852 --> 00:02:58,789 To test that, a relatable mid-range family EV 75 00:02:58,789 --> 00:03:02,726 will be put through its paces at full charge and 25%. 76 00:03:04,928 --> 00:03:09,366 And for an objective baseline, to its gasoline-powered twin. 77 00:03:12,969 --> 00:03:14,705 [Faye] All right, you guys. So we got our cars. 78 00:03:14,705 --> 00:03:16,307 What do we know about these cars? 79 00:03:16,307 --> 00:03:19,209 - These are the perfect chassis to test this. It really is. - Okay. All right. 80 00:03:19,209 --> 00:03:20,911 [Bisi] I have a lot of information for you. 81 00:03:20,911 --> 00:03:22,212 [Tory] Is this gonna be a long lecture? 82 00:03:22,212 --> 00:03:24,315 No. Very short, actually. You'll find it's quite appealing. 83 00:03:24,315 --> 00:03:25,882 - I don't like lectures. - Nah, me neither. 84 00:03:25,882 --> 00:03:29,019 Before you get out of control, I will share with you 85 00:03:29,019 --> 00:03:31,455 that these vehicles are quite evenly matched. 86 00:03:31,455 --> 00:03:32,889 - Okay. - That shows you how. 87 00:03:32,889 --> 00:03:35,559 The EV has 201 horsepower, 88 00:03:35,559 --> 00:03:37,361 the internal combustion, 175. 89 00:03:37,361 --> 00:03:42,533 However, the EV is much heavier at 3,770 pounds, 90 00:03:42,533 --> 00:03:46,770 while the gasoline chassis is 3,276 pounds. 91 00:03:46,770 --> 00:03:48,705 However, worst part of the weight, 92 00:03:48,705 --> 00:03:50,341 look at that ratio. 93 00:03:50,341 --> 00:03:55,879 0.0533 on the EV, 0.0534 on the petrol. 94 00:03:55,879 --> 00:03:59,850 That's only a tenth of a thousandth difference in that ratio. 95 00:04:03,354 --> 00:04:05,456 They're perfectly matched for additional contacts 96 00:04:05,456 --> 00:04:08,359 while tackling the hypothesis that an EV's performance 97 00:04:08,359 --> 00:04:10,794 is compromised by charge depletion. 98 00:04:10,794 --> 00:04:12,796 - Science! - Right. 99 00:04:12,796 --> 00:04:16,633 [Bisi] To test it, we'll track two key metrics over a quarter-mile. 100 00:04:16,633 --> 00:04:18,969 Top speed and for acceleration, 101 00:04:18,969 --> 00:04:21,838 the standard time to go from zero to sixty. 102 00:04:24,508 --> 00:04:28,211 So this is 100% state of charge in the battery pack, 103 00:04:28,211 --> 00:04:31,748 and I have data logging equipment installed using global positioning 104 00:04:31,748 --> 00:04:33,384 opposed to the vehicle speed on the car. 105 00:04:33,384 --> 00:04:36,853 Because with the vehicle speed on the vehicle, if I spin out, 106 00:04:36,853 --> 00:04:38,655 my tires will give me a higher mile/hour. 107 00:04:38,655 --> 00:04:40,256 So this is a lot more accurate 108 00:04:40,256 --> 00:04:43,394 using global positioning satellites to give us accurate data. 109 00:04:43,394 --> 00:04:44,595 That's a great point. 110 00:04:44,595 --> 00:04:47,230 We'll be able to tell how long it takes you to get down, 111 00:04:47,230 --> 00:04:50,434 and we'll be able to see how quick you get off the line. 112 00:04:51,635 --> 00:04:53,604 - You ready? - So, I'm going to put this in sport mode. 113 00:04:53,604 --> 00:04:55,271 - Okay. - 'Cause that's what I do. 114 00:04:55,271 --> 00:04:56,607 - All right. - All right. 115 00:04:56,607 --> 00:04:58,575 Okay, I'll need your help with a countdown. Let me know. 116 00:04:58,575 --> 00:05:01,845 Here we go. I'm gonna give you a help. Here we go. 117 00:05:01,845 --> 00:05:04,948 In three, two, one, go. 118 00:05:08,284 --> 00:05:10,621 You got a little bit of slippage there. 119 00:05:10,621 --> 00:05:12,923 Oh, I definitely feel the torque. 120 00:05:12,923 --> 00:05:14,090 Yes, It's nice, isn't it? 121 00:05:14,090 --> 00:05:16,527 Sixty miles an hour. 122 00:05:16,527 --> 00:05:18,429 Seventy miles an hour. 123 00:05:18,429 --> 00:05:20,697 All right, here comes the quarter mark. 124 00:05:24,134 --> 00:05:27,270 - Ninety-six miles per hour. - [Bisi] Not bad! 125 00:05:27,270 --> 00:05:29,172 That's fast, sir. 126 00:05:29,172 --> 00:05:31,642 - [Tory] But I mean, you know, it is 100% charged. - Yes. 127 00:05:31,642 --> 00:05:35,712 But as the battery starts dying, you start losing power, 128 00:05:35,712 --> 00:05:37,313 and especially at 25%, 129 00:05:37,313 --> 00:05:39,483 I have a feeling you're not going to see these numbers. 130 00:05:39,483 --> 00:05:41,818 I wouldn't say, "As the battery starts dying," 131 00:05:41,818 --> 00:05:44,054 I'll say "As the state of charge decreases." 132 00:05:44,054 --> 00:05:47,991 See, you say "decreases," I say "dying." 133 00:05:47,991 --> 00:05:50,727 [both laughing] 134 00:05:51,862 --> 00:05:53,229 [Bisi] Tory, funny guy. 135 00:05:53,229 --> 00:05:56,032 But seriously, compared to your standard SUV, 136 00:05:56,032 --> 00:05:58,902 off the line, this EV is quick. 137 00:05:58,902 --> 00:06:01,838 Why? It's all about the torque. 138 00:06:04,475 --> 00:06:06,477 Push the pedal and within milliseconds, 139 00:06:06,477 --> 00:06:08,111 the controller completes the circuit. 140 00:06:08,111 --> 00:06:10,881 And the motor, the current and electromagnetic field 141 00:06:10,881 --> 00:06:12,983 interact via the Lorentz force 142 00:06:12,983 --> 00:06:14,618 producing instant torque. 143 00:06:14,618 --> 00:06:17,621 With the motor coupled directly to the drivetrain, boom, you're off. 144 00:06:23,259 --> 00:06:26,663 [narrator] And to find out how effective that near-instant torque is, 145 00:06:26,663 --> 00:06:30,333 Tory's jumping in the EV's sibling. 146 00:06:30,333 --> 00:06:35,071 The gasoline-powered partner with near-identical power to weight ratio, 147 00:06:35,071 --> 00:06:37,808 will provide an interesting objective baseline. 148 00:06:39,175 --> 00:06:40,611 You do not trust me. 149 00:06:40,611 --> 00:06:43,914 You're right. I don't trust you because I feel like you might lift. 150 00:06:43,914 --> 00:06:45,248 - Why would I do that? - I don't know. 151 00:06:45,248 --> 00:06:47,518 You're so excited about the electric car. 152 00:06:47,518 --> 00:06:50,253 I am excited, but I am a scientist first. 153 00:06:50,253 --> 00:06:51,988 Data collection is very important to me. 154 00:06:51,988 --> 00:06:53,557 Especially honest data collection. 155 00:06:54,625 --> 00:06:57,994 Okay, Bisi. Speed, performance. 156 00:06:57,994 --> 00:06:59,863 Internal combustion engine. 157 00:06:59,863 --> 00:07:01,064 [Bisi] Yes. 158 00:07:02,132 --> 00:07:03,900 - We're in sport mode... - Okay. Sport mode... 159 00:07:03,900 --> 00:07:05,368 - ...on the start line. - ...on the start line. 160 00:07:05,368 --> 00:07:09,405 And on three, two, one, go. 161 00:07:11,141 --> 00:07:13,544 - [Bisi] Oh! - Oh, my God. Do you feel that lag? 162 00:07:13,544 --> 00:07:16,112 Does the car know we're doing a test? [laughing] 163 00:07:16,112 --> 00:07:19,382 Do you realize we're trying to go fast here? 164 00:07:21,384 --> 00:07:22,586 [Bisi] Seventy miles an hour. 165 00:07:22,619 --> 00:07:24,454 - [Tory] I can't push the pedal down any farther. - [laughs] 166 00:07:24,454 --> 00:07:28,659 [Bisi] Eighty miles an hour. Halfway, almost there... And that's it. 167 00:07:29,593 --> 00:07:31,427 - Ooh! - [Tory] 88 miles an hour. 168 00:07:31,427 --> 00:07:33,063 That's slower. 169 00:07:33,063 --> 00:07:36,066 [Tory] Yeah. Despite having equal power to weight ratios, 170 00:07:36,066 --> 00:07:39,069 top speed and acceleration are way down. 171 00:07:39,069 --> 00:07:40,236 And you know why? 172 00:07:40,236 --> 00:07:42,939 - [Bisi] Oh. - Oh, my God. You feel that lag? 173 00:07:42,939 --> 00:07:48,044 A combustion engine takes time to fire up, and get those pistons cranking. 174 00:07:48,044 --> 00:07:53,083 Yeah, it was kind of obvious that gas took a little bit more time to get going. 175 00:07:53,083 --> 00:07:54,317 [Bisi laughs] 176 00:07:54,317 --> 00:07:57,287 The EV, it's gone in 60 milliseconds. 177 00:07:58,922 --> 00:08:01,592 [narrator] While the battery is being drained to 25 percent for 178 00:08:01,592 --> 00:08:03,493 the most critical comparison, 179 00:08:03,493 --> 00:08:05,996 Tory, well, he just wants to beat Bisi. 180 00:08:05,996 --> 00:08:09,866 His plan, lighten the load to increase power to weight ratio. 181 00:08:11,367 --> 00:08:13,904 The beauty is that at a quarter tank of gas, 182 00:08:13,904 --> 00:08:17,507 You've instantly lost 85 pounds of weight. 183 00:08:17,507 --> 00:08:20,911 [narrator] Go mean and lean by dumping gasoline. 184 00:08:20,911 --> 00:08:24,514 Yeah, it's like kicking out a passenger. Small time. Yeah. 185 00:08:24,514 --> 00:08:27,851 [narrator] Solid theory, unless Tory forgets to do the math, 186 00:08:27,851 --> 00:08:30,621 but that would be fuel-ish. 187 00:08:33,223 --> 00:08:34,090 [Tory] All right, Bisi. 188 00:08:34,090 --> 00:08:35,626 - [Bisi] Okay. - We ready? 189 00:08:35,626 --> 00:08:37,260 Quarter tank. Ready when you are. 190 00:08:37,260 --> 00:08:38,294 - All right. Here we go. - You ready? 191 00:08:39,129 --> 00:08:42,032 Three, two, one, go. 192 00:08:43,399 --> 00:08:44,868 Oh, that's good. 193 00:08:44,868 --> 00:08:47,003 - It's-- - That's good. 194 00:08:47,003 --> 00:08:48,438 A little sluggy. 195 00:08:48,438 --> 00:08:49,673 That was good though. 196 00:08:49,673 --> 00:08:52,776 You hit the gas and it takes a second for to wake up. 197 00:08:57,447 --> 00:08:58,682 [all exclaiming] 198 00:08:58,682 --> 00:08:59,816 - Right there. - That's it. 199 00:09:01,184 --> 00:09:03,186 - Eighty nine. - Eighty nine miles an hour. 200 00:09:03,186 --> 00:09:04,788 Wow! 201 00:09:04,788 --> 00:09:08,058 [narrator] Turns out Tory's plan wasn't sound in the pound department. 202 00:09:08,825 --> 00:09:10,961 The fueled up attempt tanked. 203 00:09:14,130 --> 00:09:17,033 The numbers torque for themselves. 204 00:09:17,033 --> 00:09:20,971 Yeah, it was kind of obvious when we were doing those runs. 205 00:09:20,971 --> 00:09:24,775 - The gas took a little bit more time to get going. - [laughs] 206 00:09:24,775 --> 00:09:27,210 You, look at how happy you are. 207 00:09:27,210 --> 00:09:28,845 Allow me to bask in the glory. 208 00:09:30,747 --> 00:09:33,349 [narrator] But the myth in question remains unanswered. 209 00:09:33,349 --> 00:09:37,153 Let's run the test again, but with battery down to 25%. 210 00:09:37,153 --> 00:09:39,522 [narrator] Will the undercharged EV's performance 211 00:09:39,522 --> 00:09:42,092 be adversely affected over the quarter mile? 212 00:09:44,094 --> 00:09:45,361 - Okay, here we go. - Here we go. 213 00:09:45,361 --> 00:09:50,366 This is 25% capacity of the electric car. 214 00:09:50,366 --> 00:09:51,501 Make sure I'm in sport mode. 215 00:09:52,568 --> 00:09:54,337 - Let's go. - Okay, here we go. 216 00:09:54,337 --> 00:09:56,406 In three, two, one. 217 00:09:56,406 --> 00:09:57,507 Hit it. 218 00:09:59,109 --> 00:10:02,378 - Not as much kick as 100% capacity. - Absolutely not. 219 00:10:05,015 --> 00:10:07,417 Seventy five miles an hour. 80 miles an hour. 220 00:10:08,351 --> 00:10:10,053 We made it. [cheering] 221 00:10:11,054 --> 00:10:13,323 And we're... 222 00:10:13,323 --> 00:10:15,525 All right, you guys, I'm really stoked for these results. 223 00:10:15,525 --> 00:10:16,827 What do we got? What do we got? 224 00:10:16,827 --> 00:10:19,863 This is EV with 100% state of charge. 225 00:10:19,863 --> 00:10:23,099 Versus 25% capacity, 0 to 60. 226 00:10:23,099 --> 00:10:26,169 - And top speed. - Numbers don't lie. 227 00:10:26,169 --> 00:10:27,570 No, they do not. 228 00:10:29,639 --> 00:10:32,275 So far, all we've done is like straight line stuff. 229 00:10:32,275 --> 00:10:34,110 - Yeah. - And that's cool and all. 230 00:10:34,110 --> 00:10:36,880 But what about windy, twisty road course? 231 00:10:36,880 --> 00:10:38,949 - I'm game for it. - That sounds like a great idea. 232 00:10:40,116 --> 00:10:42,285 [man] This is going to be interesting. 233 00:10:42,285 --> 00:10:44,687 Quarter mile, industry standard performance test 234 00:10:44,687 --> 00:10:47,390 focuses on off the line acceleration. 235 00:10:47,390 --> 00:10:49,025 But what about a more relatable drive 236 00:10:49,025 --> 00:10:52,062 for the average owner of a car like this? 237 00:10:52,062 --> 00:10:55,899 A trip to the store or commute over, say, three laps. 238 00:10:55,899 --> 00:10:59,235 Seven half miles. Will the performance variables change? 239 00:10:59,235 --> 00:11:01,204 Will the distance make a difference? 240 00:11:01,204 --> 00:11:03,539 And if fully and undercharged EVs even out. 241 00:11:04,674 --> 00:11:06,042 I think we should do three laps, 242 00:11:06,076 --> 00:11:08,845 and then we'll just average the times and see which one's better. 243 00:11:08,845 --> 00:11:10,680 Okay, sounds good. 244 00:11:10,680 --> 00:11:14,017 So, that will be the metric we use in the final test. 245 00:11:14,017 --> 00:11:17,387 Compare the under charge and fully charged EVs. 246 00:11:17,387 --> 00:11:19,122 But first up for a baseline 247 00:11:19,122 --> 00:11:23,359 and to help BC set consistent lap times in the real test, 248 00:11:23,359 --> 00:11:26,162 let's take my old gas guzzling friend for spin. 249 00:11:28,564 --> 00:11:33,036 Thing is internal combustion engine lap time test. 250 00:11:33,036 --> 00:11:35,538 Here we go in three, two, one. 251 00:11:39,042 --> 00:11:42,012 - Man, off the line. - I know, it's not the same as a-- 252 00:11:42,012 --> 00:11:43,479 No, the electric car has way more torque. 253 00:11:43,479 --> 00:11:46,582 - Are you actually-- - My foot's on the floor. 254 00:11:46,582 --> 00:11:48,718 This thing, 1.6 liters of fury. 255 00:11:51,021 --> 00:11:52,455 - Foot's on the floor. - I have a feeling. 256 00:11:53,556 --> 00:11:55,025 My foot's on the floor! 257 00:11:55,025 --> 00:11:57,327 - My God! - How dare you. 258 00:11:57,327 --> 00:12:01,131 Your time is better on this second lap, though. That's for sure. 259 00:12:01,131 --> 00:12:03,166 - Push it, push it. - Final lap, final lap, final lap. 260 00:12:05,368 --> 00:12:08,304 See, it's good to have us here to keep you through. 261 00:12:08,304 --> 00:12:10,473 I feel like you wouldn't be pushing so hard. 262 00:12:11,307 --> 00:12:12,442 Almost there, almost there. 263 00:12:17,113 --> 00:12:18,281 That's good. 264 00:12:18,281 --> 00:12:21,184 It was pretty consistent unlike the electric vehicle. 265 00:12:21,184 --> 00:12:22,452 That's kind of what you would expect. 266 00:12:22,452 --> 00:12:26,322 You would expect to see that just consistent power. 267 00:12:26,322 --> 00:12:28,591 [man] Okay, now have a feel for the track. 268 00:12:28,591 --> 00:12:30,593 And we have a lap time benchmark. 269 00:12:30,593 --> 00:12:36,199 You came away with an average time of 1:45:01 270 00:12:37,667 --> 00:12:40,303 [man] It's time for the fully charged EV. 271 00:12:40,303 --> 00:12:42,572 I hope Tory's wearing some brown boxers. 272 00:12:43,139 --> 00:12:44,540 Okay, here we go. 273 00:12:45,175 --> 00:12:49,712 [Tory] Three, two, one, go! 274 00:12:49,712 --> 00:12:51,781 Oh, look at that. There's so much torque. 275 00:12:51,781 --> 00:12:53,683 - Oh, yeah! - We've lost traction. 276 00:12:56,086 --> 00:12:57,320 Oh! 277 00:12:57,320 --> 00:12:58,721 The torque is amazing. 278 00:12:58,721 --> 00:13:00,723 It's like there's no lag whatsoever. 279 00:13:02,225 --> 00:13:04,127 I came in full throttle... So much torque! 280 00:13:04,127 --> 00:13:05,428 He's got it in full throttle. 281 00:13:06,496 --> 00:13:09,232 You're such a good driver. Oh, my God. 282 00:13:10,934 --> 00:13:11,902 This is all power. 283 00:13:14,470 --> 00:13:15,771 Lap two! 284 00:13:15,771 --> 00:13:18,108 - Wow, that was pretty fast. - Yeah, that was pretty good. 285 00:13:19,309 --> 00:13:22,178 - You're came back there? - I am doing good. 286 00:13:22,946 --> 00:13:24,114 One more lap to go. 287 00:13:25,581 --> 00:13:27,417 - Is this good? - You're good. 288 00:13:28,618 --> 00:13:29,819 - I'm drifting. - Yes, yes, yes. 289 00:13:31,487 --> 00:13:33,957 - Oh, my God, that's-- - That was awesome. 290 00:13:37,928 --> 00:13:40,796 Well, BC, that was incredible driving. 291 00:13:40,796 --> 00:13:42,232 I had so much fun with that thing. 292 00:13:42,232 --> 00:13:44,634 It was peeling out and just-- Oh, my God. 293 00:13:44,634 --> 00:13:47,003 So responsive. I love EVs. I really do. 294 00:13:47,003 --> 00:13:50,140 Now it's time to go on to 25% capacity. 295 00:13:50,140 --> 00:13:52,575 And just like before, we'll do three laps. 296 00:13:52,575 --> 00:13:53,977 Keep it consistent, 297 00:13:53,977 --> 00:13:57,413 and see how it performs compared to when it was at full capacity. 298 00:13:57,413 --> 00:13:58,448 Sounds good. 299 00:13:59,182 --> 00:14:00,683 Okay, here we go. 300 00:14:00,683 --> 00:14:03,086 This is electric car. 301 00:14:03,086 --> 00:14:06,022 25% battery capacity. 302 00:14:06,022 --> 00:14:07,523 [narrator] With BC amped up, 303 00:14:07,523 --> 00:14:09,792 will the longer distance drive make a difference? 304 00:14:10,726 --> 00:14:12,228 On the flat quarter mile. 305 00:14:12,228 --> 00:14:16,599 the fully charged car significantly outperformed the depleted EV. 306 00:14:18,734 --> 00:14:19,735 This is it. 307 00:14:19,735 --> 00:14:22,738 - Okay, three... -The final countdown... 308 00:14:22,738 --> 00:14:26,709 - ...two. -...to test the definitive real world scenario. 309 00:14:27,643 --> 00:14:28,711 One, go! 310 00:14:30,113 --> 00:14:32,415 Yeah, that felt so different. 311 00:14:32,415 --> 00:14:35,451 - There was no like off the line... - No. 312 00:14:35,451 --> 00:14:37,620 - I mean, I gotta say-- - In nearly spinned tires. 313 00:14:37,620 --> 00:14:39,689 Oh. This is not good. 314 00:14:39,689 --> 00:14:41,992 - Go, go, go. - I know. 315 00:14:41,992 --> 00:14:44,660 All right, so we're going into the first lap. 316 00:14:45,828 --> 00:14:47,630 Oh, my God! 317 00:14:47,630 --> 00:14:50,700 You can do it, you can do it. Come on! Come on! 318 00:14:50,700 --> 00:14:54,070 Oh, I can feel it. Struggling in the uphill. 319 00:14:56,006 --> 00:14:57,473 I feel like my foots on the floor. 320 00:14:57,473 --> 00:14:58,908 You're not coming. 321 00:15:00,276 --> 00:15:02,012 Wait, you're going. That's not that bad. 322 00:15:03,879 --> 00:15:06,882 - Come on! - Oh, my God! 323 00:15:06,882 --> 00:15:09,485 I wonder if we're gonna make it to that third lap. 324 00:15:09,485 --> 00:15:10,853 Oh, my God! 325 00:15:11,921 --> 00:15:13,623 As the battery is dying, 326 00:15:13,623 --> 00:15:16,292 we tend to be doing a similar interesting. 327 00:15:16,292 --> 00:15:17,560 You can do it, one more! 328 00:15:19,362 --> 00:15:20,596 Come on! 329 00:15:23,699 --> 00:15:25,401 - Well that was the worst? - Yeah. 330 00:15:25,401 --> 00:15:29,705 The performance kept getting less and less after each lap. 331 00:15:29,705 --> 00:15:32,875 Yeah, 100%. Jumping off the starting light, 332 00:15:32,875 --> 00:15:34,444 you instantly feel that torque. 333 00:15:35,745 --> 00:15:37,180 All right, let's take a look at some data here. 334 00:15:37,180 --> 00:15:39,882 Electric car. 100% charge. 335 00:15:39,882 --> 00:15:45,055 You came away with an average time of 1:42:65. 336 00:15:45,055 --> 00:15:47,223 - Nice. - That's a pretty respectful time. 337 00:15:47,223 --> 00:15:52,095 But more importantly, what is that compared to the 25% EV? 338 00:15:52,095 --> 00:15:55,331 Okay, electric vehicle did extremely well with high state of charges. 339 00:15:55,331 --> 00:15:58,701 You came away with an average time of 1:46. 340 00:15:59,969 --> 00:16:02,172 As the battery state charge went down, 341 00:16:02,172 --> 00:16:05,241 and hence the voltage to the motors went down, 342 00:16:05,241 --> 00:16:07,177 the performance suffered accordingly. 343 00:16:07,177 --> 00:16:08,478 With a full charge, 344 00:16:08,478 --> 00:16:11,414 we were almost three and a half seconds faster per lap. 345 00:16:11,414 --> 00:16:14,984 And that shows the beauty of energy density which gas didn't cause. 346 00:16:14,984 --> 00:16:17,520 You don't suffer when you have a full tank or partial tank 347 00:16:17,520 --> 00:16:18,954 is still the same. 348 00:16:18,954 --> 00:16:21,491 While with electric cars, at least with today's technology, 349 00:16:21,491 --> 00:16:23,493 the chemistry dictates that we have less energy 350 00:16:23,493 --> 00:16:25,828 as our battery state of charge goes down. 351 00:16:25,828 --> 00:16:27,263 But, you know, I think the lesson here is 352 00:16:27,263 --> 00:16:31,201 don't drive around with a 25% charged electric car. 353 00:16:31,201 --> 00:16:33,303 So this myth is confirmed. 354 00:16:33,303 --> 00:16:36,772 All right, um, I'm taking the gas powered car back to the shop. 355 00:16:36,772 --> 00:16:38,608 Yeah, I'll join you with that. 356 00:16:38,608 --> 00:16:40,810 Fay. You're about technology. You suppose to come with me? 357 00:16:40,810 --> 00:16:43,679 Hey, it's gonna take you twice as long to charge this thing 358 00:16:43,679 --> 00:16:45,014 - and I'm hungry. - I just need ten minutes. 359 00:16:45,014 --> 00:16:46,816 Oh, my-- Just tell me an answer. 360 00:16:47,683 --> 00:16:49,685 Call us if you need any help. 361 00:16:49,685 --> 00:16:50,720 Ha-ha-ha.