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Caterham R300 Superlight unveiled

By Ben Pulman First Official Pictures 28 October 2008 10:30 Caterham has released its latest Superlight Seven model, the R300. Powered by a 2.0-litre Ford Duratec engine, tweaked by Caterham Powertrain to produce 175bhp, the new R300 will sprint to 60mph in 4.5 seconds.  The new R300 weighs a mere 515kg, just 15kg more than CAR’s long-term 1.6-litre Superlight. Combined with the new 175bhp engine, the R300 has a power-to-weight ratio of 339bhp-per-tonne – a Porsche 911 Carrera S has a mere 270 by comparison.

Detroit Auto Show roundup

The 2012 NAIAS in Detroit, MI has proved to be exactly the dose of salts the US auto industry so desperately needed after a few very lean years for the event. Numerous concept and production cars made their debuts in the halls of COBO and, as ever, Car Design News was on hand to provide our in-depth live show coverage. Here's a full rundown of our reportage from NAIAS 2012: Acura Acura NSX Concept: Living up to the name Cadillac Cadillac ATS: Finally breaking into the premium mainstream?

Sacramento, Salt Lake City, Los Angeles top road frustration study

Weather, crashes, traffic and attitude--these are the things that make our commutes unbearable. Now, the RoadIntel.com Web site has ranked cities based on its "road frustration index." The index is based on how weather affects the roads, the amount of traffic, the number of crashes and driver sentiment, which is calculated by searching for keywords such as "traffic jam" and "stuck" on Twitter. On the site, you can look at cities ranked day by day and even hour by hour.