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

Five least-green vehicles

We are a generation seemingly obsessed with the environment, eager to cover our carbon footprints in any way possible--or at least give off a green vibe visible to our neighbors). And though many car buyers are jumping on the hybrid and electric bandwagons, the majority of us still crave brute-power cars and trucks. While being environmentally friendly is nice, there comes a time when you just have to be mean -- eco-mean, in this case.

Mazda 3 five-door (2008): the first photos

By Tim Pollard First Official Pictures 25 November 2008 09:43 Mazda has issued five photographs of its new 3 hatchback ahead of its debut at next week's Bologna motor show. The five-door, announced today, follows hot on the heels of the Mazda 3 four-door saloon unveiled at last week's 2008 Los Angeles Auto Show.Few firm details have been released today, but Mazda claims the engines will be more efficient, the kerbweight lighter and 'the world's first catalyst to be constructed using single nanotechnology.' Apparently this cat uses significantly fewer rare materials such as platinum and palladium than regular filters.The new 3 will have a new range-topping 2.2-litre turbodiesel, developing 183bhp or 148bhp. Both are EU5 compliant and are cleaner and more powerful than the current 2.0 TD.

Caterham Seven to use Suzuki three-cylinder turbo power (2013)

Caterham has announced its new entry-level Seven will cost less than £17,000 and use a three-cylinder, turbocharged engine sourced from Suzuki. The new car will go on sale in the autumn of 2013, with first customer deliveries expected in November. What’s the specification of the new Caterham Seven?