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

Follow Coventry University students' grad projects on their Tumblr

We always aim to highlight as many college exhibitions as possible, but with so many graduating students each year, it's not surprising some are taking the promotion of their work into their own hands. The transportation and automotive design students at Coventry University have done just that by setting up a Tumblr highlighting the development of the final projects we'll see towards the end of May. The quality and variety of work looks very promising, especially considering they're some way from finished.

Custom cars with an extreme sports theme at SEMA 2013

The annual Speciality Equipment Market Association (SEMA) Car Show is one of the world's biggest events for modified motors. In short, if you want to check out the most weird, wonderful and wacky cars in the world, head for SEMA. And naturally, the event is held in Las Vegas.

Algae-powered street lights eat CO2

Algae powered street lighting (great Photoshop) A French biochemist – Pierre Calleja – has developed a street lighting system using micro algae that absorbs CO2. The need to reduce CO2 in the atmosphere is contentious - to say the least – but as long as governments use CO2 as a stick to beat motorists and empty their bank accounts it’s sensible to look at ways of ‘balancing’ the CO2 emissions of cars. French biochemist Pierre Calleja thinks he’s come up with a solution that would neutralise CO2 emissions from cars by cancelling it out with his micro-algae lighting.