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General Motors to invest more than $850 million to build new V8s

General Motors Co. said Tuesday it will invest more than $850 million to upgrade five North American factories to make its next-generation V8 engines more fuel efficient. The new V8s will differ from the current versions by using direct injection and a new combustion system, spokeswoman Sharon Basel said.

How to cash in on 'cash for clunkers'

OK, the "cash-for-clunkers" or "cash-for-guzzlers" program has cleared both houses of Congress and is on its way to the White House for President Barack Obama's signature, which is likely. Now, you have questions, such as, "How do I cash in on this?" Well, here are some answers: -- The program applies only to 1984 model year and newer vehicles. And the "clunker" has to have a combined fuel-economy rating of 18 mpg or less.

New Mercedes S-Class Plug-in Hybrid to debut at Frankfurt Motor Show

The new Mercedes S-Class (pictured) will arrive with a plug-in hybrid version in September We’ve known Mercedes were planning a plug-in hybrid version of the new S-Class as far back as 2009, and it now appears it will debut – as a 2014 model – at the 2013 Frankfurt Motor Show in September. When Mercedes revealed the Vision S500 Plug-in Hybrid Concept at Frankfurt in 2009, they had fitted it with a V6 petrol engine mated to a 44kw motor and a bank of lithium-ion batteries, and promised the hybrid S-Class would do 90mpg, have emissions of under 75g/km and manage 18 miles in EV mode. That means the hybrid S-Class would have performance comparable to the V8 petrol-engined S500 but attract no BIK or VED in the UK.