1969 Mercedes-benz Sl-class on 2040-cars

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Why it's difficult to accurately test the efficiency of a plug-in car

When it comes to electric vehicles and plug-ins in general, the Environmental Protection Agency-certified range is a hugely important number. While actual range anxiety is largely psychological, the magic number does provide a point of comparison of buyers considering one EV over another. The driving distance is also often touted by automakers when marketing their models. Unfortunately, as Green Car Reports finds in a recent deep dive, the way the EPA calculates the figure is a convoluted mess, and discovering the reasons why is definitely worth the read. The issue isn't about bad science but instead comes down to vague wording. The EPA's accepted range test is sourced from an evaluation called J-1634 from the Society of Automotive Engineers, and it seems to provide balanced results for vehicles that automatically reach a single state of charge when plugged in. However for models with multiple charge settings, the situation gets complicated very quickly. Of course, these modes are often created in the software, meaning that a car's certified driving distance can change with just a few taps of the keyboard without the real world results owners might experience actually changing. By showing the test's effects on the certified range for the Tesla Model S, Nissan Leaf and Mercedes-Benz B-Class Electric Drive over the last few years, Green Car Reports makes a compelling argument that it's the evaluation that needs to change. Thankfully, it appears that the solution is a very simple one. Get the details here.

F1 title fight gets closer | 2016 US Grand Prix recap

We ran into an old friend at the US Grand Prix: an on-form Lewis Hamilton. Reliability and proper clutch actuation helped the Mercedes-AMG Petronas driver resurrect the kind of performance we haven't seen since July at the German Grand Prix. After demolishing the previous qualifying record around the Circuit of the Americas, he put the field in his mirrors as soon as the lights went out, was never bothered by anyone behind, and crossed the finish line 4.5 seconds ahead of teammate Nico Rosberg. The drive was exactly what Hamilton needed to keep his molecule-thin Championship hopes alive. Rosberg, however, did exactly what he needed to do as well by finishing second. The German had a sketchier path to the checkered flag than Hamilton, getting pushed back to the third at the start by Red Bull's Daniel Ricciardo. Worse, Ricciardo appeared to have the pace to keep Hamilton honest ahead and hold Rosberg behind. Red Bull and Mercedes matched one another's pit stops, and it was clear the German would need more help to pass the Aussie. Rosberg didn't have to make his own luck, Ricciardo's teammate Max Verstappen made the luck for him. Ricciardo pitted on Lap 26, ceding second position on track to Rosberg. On Lap 30, Verstappen's gearbox failed while headed down the back straight. The Dutch teenager said the team told him to try to get the car back to the pits, so he dawdled through a few corners before following more team orders to pull over and park. Verstappen's parking spot and bad gearbox meant marshals couldn't push the car off the track, they needed to use a crane. That brought out a Virtual Safety Car, slowing the whole race down and allowing Rosberg to run a longer stint while losing less time on old tires. When the German came in for new tires on Lap 31 he emerged ahead of Ricciardo, and they ran that way to the end of the race, much to Ricciardo's disappointment. Sebastian Vettel claimed fourth for Ferrari, a placing perhaps due only to Verstappen and Kimi Raikkonen retiring from the race. An otherwise anonymous weekend for the scuderia called attention to itself on race day when Raikkonen had to call it a day after a botched pit stop, and Vettel couldn't make any impression on the teams ahead. Fernando Alonso rode home to a brilliant fifth for McLaren. During the first stint while rummaging around outside the top ten, the Spaniard complained about his lack of pace. By Lap 15 Alonso was tenth, on Lap 34 he was eighth.

Lewis Hamilton owns 15 cars, uses tow trucks to keep the mileage low

No matter how you feel about Lewis Hamilton off the track, it's impossible not to respect his talent behind the wheel. Currently, Hamilton is the second most successful Formula One driver of all time. His 67 wins and four championships place him only behind Michael Schumacher's 91 wins and seven championships. With all those winnings, Hamilton has racked up a decent personal fortune, much of which he uses to buy cars. Except he doesn't drive them quite as much as you might think. According to The Sunday Times, Hamilton's net worth of just over $207 million makes him one of the richest sports figures in the UK, just behind David Beckham. In a recent interview with the British newspaper, Hamilton gave some details on his personal car collection. His first car was a used Mini Cooper, soon followed by a Mercedes-Benz C200. Both have long since been replaced by a pair of original Shelby Cobras, a 1967 Shelby GT500, a Ferrari 599 SA Aperta, two LaFerraris (a red coupe and a white Aperta), a McLaren P1 and a Pagani Zonda 760 equipped with a manual transmission. All in, Hamilton has about 15 cars split between homes in Monaco and Los Angeles. Unsurprisingly, he has a Mercedes-AMG Project One ( a car that shares more than a little with his F1 W09 EQ Power+ race car) on the way. Hamilton has some hot takes on his personal collection. "The Zonda is terrible to drive," he said. "It's the best-sounding car I own, but handling-wise it's the worst. I got it in manual because I didn't like the tiptronic version. The tiptronic Pagani offered was worse than the Smart Roadster I had." He also says his Shelby Mustang is a "beautiful car, but a heap of junk." In order to keep the miles down (and valuations up), Hamilton apparently has a tow truck on retainer in Los Angeles. When he's finished driving one of his Ferraris, he'll have the car towed back to his place. Classic cars are becoming a solid and serious investment, and Hamilton doesn't want to squander his wealth like some other athletes. That said, there are a couple more cars Hamilton would love to own, including a Mercedes-Benz 300 SL (the one with the gullwing doors) and a Ferrari 250GT California Spyder (the one from "Ferris Bueller's Day Off"). Related Video: