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

Unbelievable SSC Ultimate Aero EV

Prius was an easy way out for celebs who didn’t want their ‘Public’ to think them flash Jacks, but they always had a Cayenne Turbo or a Lamborghini LP640 tucked away in the garage. But the rise of cars like the Tesla, despite its drawbacks, has pushed the maker of the world’s fastest production car, the Ultimate Aero SSC, to look at ways to keep their clientèle happy in these changing times. SSC must feel there is a danger their market may disappear if truly powerful and appealing cars appear that are perceived as green and start to take over the marketplace.

Saleen S5S Raptor

By Liz Turner Motor Shows 20 March 2008 21:13 Saleen is best known for its red-hot Mustangs, but at New York it revealed an American supercar concept to rival the Europeans. Its S5S Raptor is around the same size as a Ferrari 430, and should be close to the same price, but boasts 175bhp more. It’s powered by a Saleen-built supercharged 6.0-litre V8, that will run on ethanol (like an increasing number of race cars).

AutoWeek office swag: Mazda rotary-engine keychain with realistic motion

When I got the keys to our long-term 2011 Mazda 5 last week, they came with a surprise--this aluminum-and-brass keychain in the shape of a rotary-engine housing, complete with moving rotor. The rotor doesn't just rattle around or spin in a circle. Thanks to a thumbwheel on the back of the housing, coupled with a timing gear and offset crank journal, the thing actually moves in an approximation of epitrochoidal motion just like a real Wankel.