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Sky takes Mazda powertrains to the next level

Mazda's next-generation of powertrains, called Sky, will feature a variety of new technologies that company engineers say improve fuel efficiency by 20 percent. The Sky engines--Sky-G for the gasoline version, Sky-D for diesel--coupled with a Sky-Drive automatic transmission or a six-speed manual, were offered for test drives during a technology day in Berlin. The Sky-G engine we drove was a 2.0-liter inline-four that made 160 hp and 155 lb-ft of torque.

Audi TT Ultra Quattro concept (2013) first official pictures

This is Audi’s idea of a TT in the GT3 RS or Superleggera mould: the TT Ultra Quattro concept. Thanks to a ruthless diet and an uprated 2.0-litre TFSI turbo petrol engine, the all-wheel drive TT Ultra will launch to 62mph in 4.2sec, (1.3sec faster than a regular Audi TTS) and hit 173mph flat out. Just how light is the Audi TT Ultra?

GM scraps plan for unibody pickup

General Motors Co. has dropped plans to develop a unibody pickup similar to the Honda Ridgeline, the automaker's top product development executive said. As gasoline prices rose and pickup sales fell, GM sought an alternative to the standard body-on-frame pickup.