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Top horsepower-per-dollar cars in 2017

Bang for the buck. That quasi-scientific statistic is bandied about by motor heads everywhere from classrooms to barrooms, though the truth of the matter is that it's exceedingly complex to measure. A fair performance-per-dollar index would include something like cross-referencing MSRP (Manufacturers Suggested Retail Price) with point-to-point times on a track or driving route, which is obviously hard to do comprehensively. But, for the sheer joy of talking about cars and playing with a big spreadsheet, there's always the horsepower-per-dollar index, which is more straightforward, albeit hilariously flawed. There are vagaries even with this simple formula, of course: MSRP for vehicles can change at a moment's notice, to say nothing of the bottom-line shifting that happens with local deals or showroom negotiation. For this list we're running with the straight MSRP wherever possible, and as recently reported as we can get it. All the vehicles on this list are 2017 models, and all trims are reported where the lowest price and differing power levels intersect. Some choices were made for personal preference and some for sanity, avoiding things like all 48 trim levels of the Ford Transit, all with the same horsepower). If this list were a simple top ten, or even a top fifty, you'd be bored to tears with all the red, white and blue that is represented. Following perfectly with conventional wisdom, American cars really do lead the world where hp/$ is concerned. So, for the sake of variety (and the sheer joy of seeing a minivan 'win' one round of this thing) I've sorted out some top five and bottom five lists for broad power categories. Let's dive in. Less Than 100 Horsepower Okay, okay, this is hardly a category we'll grant you. But we've often tried to click off all the sub-100-hp cars on sale in the US, and making this list gave us an excuse. It also illustrates that none of these smallish vehicles bring cheap horsepower to the table - for that you'll need a motorcycle. The segment-leading Chevy Spark (above) asks just over $139 for each hp, and that Smart Fortwo Electric Drive has hp on sale for about the same price as its very distant family cousin, the Mercedes-Benz SL65 AMG (insert your favorite Smart joke here... we know you want to).

Recharge Wrap-up: BMW i8's Engine of the Year, biodiesel producer guilty

BMW has won International Engine of the Year for the hybrid system in the i8. The i8 PHEV uses a 1.5-liter, three-cylinder gasoline engine with a hybrid drive unit including a 96-kilowatt electric motor. BMW beat Ford's 1.0-liter EcoBoost engine by a small margin to win the award for best overall engine. It also took the award for the 1.4-liter to 1.8-liter category, as well as best new engine. Tesla beat BMW to win the green engine category for the electric powertrain of the Tesla Model S. Read more at Green Car Congress, or see all of the results from the International Engine of the Year Awards. The head of Audi powertain development is quitting as the automaker steps up electrification. Stefan Knirsch has worked at Audi since late 2013, and previously worked at Porsche as the head of quality management and engine development. Germany's Auto Motor und Sport magazine had reported that Knirsch was leaving Audi, which Audi confirmed without giving a departure date or saying if he would be working elsewhere. Audi has been feeling pressure from its competitor Mercedes-Benz, and has been working on improving its EV offerings and autonomous vehicle technology. Read more from Reuters. The owner of a biodiesel company has pleaded guilty to fraud. Philip Joseph Rivkin, aka Felipe Poitan Arriaga, took part in a scheme to defraud the EPA, falsely claiming to be producing millions of gallons of biodiesel. This allowed his company, Green Diesel, to receive renewable fuel credits and sell them to oil companies and brokers. "These crimes are a serious threat to an important program that helps combat climate change," says Cynthia Giles of the EPA. "Companies and individual managers should get the message that there are serious consequences for breaking the rules and undermining the integrity of this program." Rivkin faces over 10 years in prison and $51 million in restitution. Read more in the press release below. Biodiesel Fuel Company Owner Pleads Guilty to Fraud and Clean Air Act Crimes Connected to Renewable Fuels Scheme Philip J. Rivkin faces more than 10 years imprisonment and $51 million in restitution WASHINGTON – Philip Joseph Rivkin, a.k.a. Felipe Poitan Arriaga, 50, today pleaded guilty to a Clean Air Act false statement and mail fraud as part of his role in a scheme to defraud EPA by falsely representing that he was producing millions of gallons of biodiesel fuel.

Mercedes F1 boss Toto Wolff takes a stake in Aston Martin

LONDON — Mercedes Formula One boss Toto Wolff has taken a stake in British sportscar maker Aston Martin, whose executive chairman Lawrence Stroll runs the Racing Point F1 team, according to company filings. A Mercedes F1 spokesman said Wolff's move was purely an investment on the Austrian's part and would be diluted by a rights issue on Monday from 4.77% to less than 1%. "Fully diluted following the pending rights issue, this investment will represent a 0.95% stake in the company," he added. "It is a financial investment and Toto's partnership and executive role with Mercedes are unaffected by the transaction." Swiss billionaire Ernesto Bertarelli has also bought a 3.38% stake which will be similarly diluted. Wolff previously had a 16% shareholding in former champions Williams but sold that after he joined the Mercedes team, where he serves as principal and owns 30%. Canadian billionaire Stroll, whose son Lance drives for Racing Point alongside Mexican Sergio Perez, is close to Wolff. The Silverstone-based team — to be renamed Aston Martin next year — use Mercedes engines and gearboxes. Mercedes-Benz's parent Daimler also has a small stake in Aston Martin. "It's clear that Aston are now Mercedes' B team," the Daily Mail quoted one Formula One insider as saying. Wolff's future at Mercedes has been the subject of some media speculation, with the 48-year-old linked variously to senior management roles with Liberty Media-owned Formula One and at Aston Martin. His Aston Martin shares were bought from Yew Tree Overseas Limited, a vehicle controlled by Stroll who acquired a roughly 25% percent holding in Aston Martin with a consortium of investors. Mercedes have won the past six Formula One drivers' and constructors' titles but have six times world champion Lewis Hamilton out of contract at the end of the 2020 season, which has yet to start due to the COVID-19 pandemic. Hamilton, who has also been linked to Ferrari, had told reporters before the global crisis changed the sporting and financial landscape that his decision would depend on Wolff's plans. The Briton is now expected to stay at Mercedes, with a radical overhaul of Formula One's sporting and technical regulations postponed to 2022. Related Video: Motorsports Aston Martin Mercedes-Benz