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

Tesla Model X SUV delayed until 2015

Tesla has revealed that its Model X SUV – based on the Model S – will be delayed until 2015 so Tesla can concentrate on Model S sales. Despite plenty of cynicism in the car industry that Tesla could deliver their Model S saloon at all, never mind at a reasonable cost, Tesla has confounded its critics by not only launching the Model S, but seemingly taking as many orders as it can handle. On the face of it, that’s not surprising.

Cars for College: AutoWeek's list of the best rides for campus cruising

High school seniors across the country have long since moved their graduation tassels from right to left. And before they start buying mini-fridges and extra-long bedsheets for their dorm rooms, prospective undergraduates need an affordable, safe and mpg-friendly ride that will leave Mom and Dad stress-free during trips to and from school. Here is a look at AutoWeek's top cars in which to send a kid off to college.

London's GPS-based speed-limit trial puts Big Brother's foot on the gas pedal

A fleet of 12 Toyota Priuses in London have been fitted with GPS-linked speed limiters to measure how drivers respond to having their speed controlled by a computer rather than their own feet. For now, the trial is local to London, run by Transport for London, the agency that manages the city's roads, buses, subways and trains. The agency is using its own fleet of Priuses for the test and will add a bus and a taxi later this year.