New Jersey Governor Chris Christie has signed a law making rolling coal illegal in the state. The bill was introduced less than a year ago after a pickup belched soot on a State Assemblyman's Nissan Leaf.
A study analyzing real-world diesel vehicle emissions finds that NOx levels from modern engines far exceed the mandated limits. However, the carbon monoxide and total carbon hydrogen numbers are where they should be.
Volkswagen enlists the Three Golden Sisters - a trio of New York grandmothers - to help dispel erroneous ideas about diesel engine in four new 30-second commercials, with help from Tanner Foust and Tuna the Dastardly Dog.
Critical Look At Diesel Engines Could Benefit Hybrids
Ford doesn't expect the Mondeo Hybrid to be a huge sales success in Europe. However, with governments there backing away from supporting diesel fuel, the sedan offers a hedge against future changes in the market.
A newly released study finds that the emissions from post-2007, EPA-compliant diesel engines do not show risks of causing lung cancer in lab rats. The animals were exposed to the exhaust for 80 hours a week for up to 30 months. Previous studies have shown much more adverse effects from older diesels.