Sherwood Seal Kit Caterpillar 212-7265 on 2040-parts.com

Mazda brings diesel back to Indy with 6 Skyactiv-D

Diesel has enjoyed great success lately as a racing fuel, but there's one place it hasn't appeared for more than six decades: Indianapolis Motor Speedway. Mazda's breaking that dry spell this weekend, when its Mazda 6 Skyactiv-D race car will head to Indy for the Grand-Am race. We like the 6 in both road trim and racing livery, but that previous diesel-powered racer -- the Cummins Diesel Special -- is pretty neat too.

Nissan’s black cab: what will London’s new taxi be like to ride in?

Nissan Around 300,000 people use black cabs in London every day, and by the end of 2014, they’ll be faced with a new alternative in the form of Nissan’s NV200 London Taxi, unveiled today. See Nissan's new London taxi The Japanese manufacturer has done its best to make the NV200 echo the carbon-dateable TX4 (which owes much of its styling to the 1958 Austin FX4), but let’s be honest – the new Nissan looks like a van. No coincidence there – it is based on the NV200 commercial vehicle.

Alfa Romeo MiTo Quadrifoglio Verde, 2500 ballons & an Alfa competition

Alfa Romeo MiTo Quadrifoglio and 2500 Balloons Alfa in the UK rather like a bit of social media promotion. So they’ve set up a competition to promote the quite warm Alfa Romeo MiTo Quadrifoglio. But instead of just doing the usual ‘Like us on Facebook to win’, they’ve put a bit of thought in to the whole thing.