Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

2014 Audi RS7 tuned to 700 hp

Most would consider the performance offered by the Audi RS7 to be plenty, whether they live close to a derestricted autobahn or not. But it wasn't enough for Audi tuner ABT Sportsline, who just introduced their own take on the 2014 RS7. The stock RS7 is powered by a 4.0-liter twin turbo V8 mated to an eight-speed transmission, good for 552 hp and 516 lb-ft of torque.

‘Big Red London Bus’ returns

The 21st Century 'Routemaster' Double-Decker Bus will be in service by 2012 I doubt we can speak for everyone who visits London. But from our perspective London is a poorer place now the iconic Routemaster red buses are relegated to the odd heritage route and pay-to-see tourist trip (and we’d have to say the same about Mercedes Taxis – nicer places to be but they don’t look right). What’s needed is a 21st century version of the Routemaster (and the Black Cab – but that’s another story).

Chevrolet Spark EV tops EPA's fuel-economy rankings for 2014

The 2014 Chevrolet Spark EV has been named the most fuel-efficient vehicle by the EPA and the Department of Energy in a new ranking for 2014. The Spark EV returns a combined 119 mpg equivalent, achieving 128 mpg in the city and 109 mpg on the highway. Chevrolet's pure-electric hatch displaced last year's chart topper, the Scion 2013 iQ EV, with its 121 mpg equivalent rating, but the Scion is not offered for the 2014 model year, so it didn't make the list for the U.S.