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Redesigned 2013 Nissan Sentra sedan revealed

Nissan has lifted the cover off the redesigned 2013 Sentra sedan—its third product reveal within the past six months. The new Sentra arrives in dealer showrooms this fall. Nissan says the new Sentra is lighter by 150 pounds and more fuel efficient, returning up to 40 mpg highway.

Porsche buyers put the brakes on stop-start technology

By Chris Chilton Motor Industry 23 June 2008 18:56 Direct injection and a clever new PDK dual-clutch gearbox have cemented the new 911’s reputation as the greenest performance car around, but Porsche engineers are being hampered from making the iconic sports car even cleaner by the public’s reluctance to accept further green technology Engineers at the launch of the facelifted 911 told CAR that fitting a BMW-style start-stop system could chop a further 10g/km from the Carrera’s 225g/km CO2 rating but that performance car buyers weren’t keen on having such overtly planet-conscious tech on their cars. Start-stop works by cutting the engine when the car’s stationary in traffic, and restarting automatically when you touch the pedals to move off again. Every manual transmission-equipped BMW 1-series comes with the technology, excepting the truly high performance versions.

Renault unveils four electric concepts at 2009 Frankfurt motor show

By Ben Pulman First Official Pictures 15 September 2009 12:00 Renault has unveiled four incredible electric concept cars at the 2009 Frankfurt motor show, and all four will be in production by the end of 2012. The maddest of all is the tiny Twizy ZE concept, a 1+1 city car that Renault sources have revealed to CAR will go into production in 2011 relatively unchanged. Also on sale in 2011 will be an electric van for commercial buyers, based on the Kangoo ZE concept and mechanically identical to the Be Bop ZE Ben Oliver drove earlier in 2009.