A taxing situation: Miles driven or fuel consumed, that is the question

OPENING SCENE: Inside a modern-day classroom. Teacher stands behind a desk addressing the room. TEACHER: OK, boys and girls, today we're working on our C-words.

Audi plans expansion of hybrids, electrics

Audi plans a rapid expansion of plug-in hybrid and electric vehicles over the next few years as a key component in Volkswagen Group's strategy to dominate the alternative-powertrain market by decade's end. Michael Dick, Audi's board member for technical development, told Automotive News that the next-generation A6 sedan will have the potential to be a full hybrid by the end of 2012. The A6 would join the recently introduced hybrid A8 sedan at the Geneva auto show and the soon-to-be-launched Q5 hybrid crossover.

BMW readying first M Performance model for U.S.

BMW will introduce the first in what will become a line of M Performance models to North America in early 2014 with the M235i coupe. It will take the place of the 1-series M coupe which recently ceased production after a run of more than 6,000 units, some 600 of which were sold in the United States. BMW is renaming the coupe and convertible versions of the 1-series as the 2-series for the vehicle's second generation.