Audi was disappointed with its diesel-powered racing prototype at Le Mans this year, but it did manage to clock two other records: taking the lap record at the Sachsenring, and cruising 1,158.9 miles on a single tank of diesel.
Momentary changes to the spec site for the 2016 Chevrolet Volt suggest that it might get 43 miles per gallon and 106 mpge, rather than the original rating of 41 mpg and 102 mpge. There have been other tweaks, as well.
Subaru is making a major investment in its powertrains to comply with the latest fuel economy regulations, and to comply in California, a plug-in hybrid is likely on the way. This might mean more expensive models from the company in the future.
Dyanmic Skip Fire could bring a revolution to cylinder deactivation technology and boost fuel economy by around 15 percent. As opposed to shutting down just a set number of cylinders, DSF monitors all of them. General Motors thinks the system might be on some of its models in the future.
It's almost impossible not to notice that it's a lot cheaper to fill up at the gas station in the latter portion of this year. As of December 1, the US Energy Information Administration said the average cost of a gallon of gas was $2.778, down almost 50 cents from a year ago. In general, fuel prices have been on the decline for much of 2014, and the effects have started showing themselves with people seemingly more willing to buy lower efficiency vehicles.