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AC Mk VI: AC Cars return to the UK

Here's a blast from the past. AC has announced it's returning to the UK market and will exhibit the Mk VI version of its venerable roadster at the 2011 Geneva motor show. AC, a UK manufacturer that's 110-years-young in 2011 but with more regenerations than a Doctor Who convention, is establishing a new base at Brooklands.

Video: Chevrolet engineer Oppenheiser talks 2012 Camaro ZL1

What we have here is a little teaser video of the 2012 Chevrolet Camaro ZL1 featuring chief engineer Al Oppenheiser. It was filmed at the Camaro Homecoming Event in Oshawa, Ontario, Canada, in June. Oppenheiser gives us a look at the 6.2-liter supercharged Camaro, explaining how airflow will enter the front grille and be drawn away from the engine with the hood vents.

Mazda to use regen brakes to boost fuel economy 5 to 10 percent

Mazda is adding a fuel-saving technology that harnesses wasted brake energy in the redesigned Mazda6 sedan due early next year. The approach uses regenerative braking to convert kinetic energy into electricity that is stored in a capacitor. The car later taps that capacitor to power the fuel pump, lights, audio, air conditioning and transmission and engine control systems.