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Renaultsport Megane N4 rally car (2010) first pics

Renault's added the new Megane Renaultsport N4 to its current rally range. The N4 draws on a group of heritage Renaults stretching over a quarter of a century - including the 5 GT Turbo, R11 Turbo, R21 Turbo, R19 16V, Clio Williams and Clio Renaultsport. To cope with all sorts of terrain, the Megane uses three-way adjustable shock absorbers.

2009’s 10 most fuel-efficient cars in America: The AutoWeek list

Toyota Prius Hybrid 46 mpg combined Base price: $22,720 Our take: The perennial mpg all-star takes the crown again for 2009. Honda Civic Hybrid 42 mpg combined Base price: $24,320 Our take: Another top contender in reliability and fuel economy, the Honda Civic Hybrid is a smart choice. Smart Fortwo Coupe 36 mpg combined Base price: $12,635 Our take: This funky coupe is the least expensive on our list, proving you can be green without spending it.

Porsche Museum opens 911 Identity exhibition

As the seventh-generation Porsche 911 hits the market, the Porsche Museum is honoring its brand-defining model with a new exhibition called 911 Identity. The display in the company's Stuttgart museum highlights each generation of 911, from the 1963 original through to the 2012 991, offering facts, figures and artifacts from their year of launch. As well as road going variants of the 911, motor sport versions are on show, from the 911 Carrera RS 2.7 Safari, through to the current 911 GT3R Hybrid, via the fearsome 935s of the 1970s and '80s.