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

Aston Martin recalls 75 percent of all cars built since 2007

If you own a left-hand drive Aston Martin -- any left-hand drive Aston Martin -- built since November 2007, listen up: your car has just been recalled. Smug right-hand drive Aston Martin owners can rest easy, unless their car was built after May 2012; those cars are gonna need replacement parts, too. All in all, the recall impacts 17,590 cars, or roughly 75 percent of the automaker's run from the 2008 model year on, according to Reuters.

Lexus GS 300h: Shanghai Motor Show

Offering much better economy than the GS 450h, it offers not only a viable alternative for private buyers looking for a bit of beautifully built Japanese luxury with lower running costs, but also makes the GS a much more appealing option for company car drivers – probably where most of the sales will be made. Lexus are aiming for Co2 emissions below 110g/km for the GS 300h (the IS 300h manages 99g/km) which will give headline economy around 60mpg – a third better than the GS 450h can manage. Power comes from the same hybrid drivetrain as the IS 300h, which means a 2.5 litre petrol mated to an electric motor and delivering 215bhp and o-62mph in around 8.5 seconds.

Car 'not at fault' in Paul Walker crash

INVESTIGATORS have found no evidence that the Porsche carrying actor Paul Walker had mechanical problems before it crashed, killing the Fast & Furious star. The investigation also ruled out debris or other road conditions as causing the car in which Walker, 40, was a passenger to slam into a lamppost and tree and burst into flames. "We're looking at speed and speed alone," a law enforcement source said.