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

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.

Catalytic converter thefts double in three years

Associated Press Thefts of catalytic converters from cars have more than doubled in less than three years, according to an investigation by the BBC. Data compiled from 40 police regions across the UK reveal that in 2012 a total of 8,947 catalytic converters thefts were reported, compared to 3,957 similar cases recorded in 2010. On Bing: see pictures of catalytic convertersStreet sweepers to mine UK roads for precious metals A car’s catalytic converter reduces its harmful exhaust gas emissions by initiating a chemical process to neutralise many toxic substances emitted from the engine.

Mercury lives--on the auction circuit

James Dean famously drove one in Rebel Without a Cause, and perhaps Mercurys have never been cooler. That was more than 50 years ago and the brand is now on the verge of extinction. But as Plymouth, Pontiac and even Edsel have shown, some brands have legs that stretch long after new cars are gone from dealerships.