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

Audi S3 Saloon goes on sale in the UK – price from £33,240

The Audi S3 Saloon (pictured) is now on sale in the UK If you want a relatively compact pocket rocket, Audi has you covered with the S3. So far, we’ve had the regular S3 and S3 Sportback (and the S3 Cabriolet is on the way), but if you prefer your S3 in a standard four-door saloon guise, you’re in luck – the Audi S3 Saloon has arrived in the UK. With the same 296bhp 2.0 litre TFSI engine as its S3 siblings, the S3 saloon offers strong performance – 0-62mph in 4.9 seconds – and an official combined economy of 40.9mpg (which means emissions of 159g/km (if you opt for the S Tronic gearbox).

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.

A 75th birthday for the '34 Ford

Two years ago, the hot-rodding world pulled out all the stops to celebrate the diamond jubilee of the iconic 1932 Ford, the hot-rodder's hot rod. The high point of that jubilee was a gathering of the 75 most significant '32s in conjunction with the Grand National Roadster Show of 2007. It was held in its own hall at the L.A.