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Ram 1500 EcoDiesels are selling like hotcakes so far

We've been anticipating the arrival of the Ram 1500 EcoDiesel -- and speculating about what it means for the pickup market -- for months. On paper, the truck seems to make perfect sense: The 3.0-liter V6 in the 1500 EcoDiesel returns 23 mpg combined (20 city/28 highway) while producing 240 hp and 420 lb-ft of torque. After taking it for a spin, the $30,465 base price didn't seem too bad, either.

This could be your first autonomous vehicle

While Google's autonomous fleet of robot cars prowls Silicon Valley and gets all the press, the first, or one of the first, truly autonomous vehicles you may ride in could be something like this: The humble, people-moving Navia. Developed by a French company called Induct, the Navia is ringed with laser beams (not frickin' laser beams. Ed.) that help it navigate through city streets or college campuses without the aid of a track in the ground, a rail or even GPS (GPS is not accurate enough, Induct says).

Petrol cars twice as likely to fail MOT on emissions

The latest MOT test data shows that 26.2% of all cars tested fail on excess exhaust emissions – and surprisingly petrol cars fail more than twice as often as diesels in this part of the annual roadworthiness test. According to the official Vehicle Operator and Standard Agency (VOSA) figures, which cover all of 2010 and the first nine months of 2011, 9.7% of petrol cars failed to meet MOT emissions standards compared to just 3.9% of diesels. On Bing: see pictures of the MOT test Find out how much a used car with 12 months MOT costs on Auto Trader The analysis has been carried out by fuel additive “provider” Redex, which naturally has an interest in the findings, since its products are designed to breakdown engine deposits and improve efficiency.