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

Ken Block: Gymkhana Four is best yet

Ken Block and DC Shoes have started production for Gymkhana Four, which is slated for video launch late this summer. Block said he never thought he'd outdo Gymkhana Three but that he's fully confident that the fourth installment will blow the earlier one out of the water. "The locations we visited and action we documented are absolutely wild," Block said.

New technology combats drowsy driving

Auto supplier Takata is introducing a new driver-alertness warning system to the commercial trucking industry to keep drivers awake. The SafeTrak electronic vision system sounds an alert if a trucker is driving erratically or unintentionally drifting from a lane. A recent AAA study for traffic safety found that drowsy driving is a contributing factor in 16.5 percent of fatal car crashes in the United States.

Rear-end collisions increasing, says study

REAR-END shunts on the road are getting more common despite the advance of new anti-crash technology, according to new research by accident management firm Accident Exchange. Rear-end shunts – when one car drives into the back of another – have risen by 7% in the last three years as a proportion of all accidents. Each accident causes damage costing an average of £2,000 to repair.