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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.

More audio, mileage for the 2011 Honda Accord

Honda's updated 2011 Accord sedan and coupe will hit dealerships in mid-August. The Accord gets a refresh inside and out, a new leather-equipped Special Edition model and a handful of other interior upgrades. Fuel-economy improvements--a result of improved aerodynamics, less engine friction and new gear ratios--mean 34 mpg on the highway for the four-cylinder and 30 mpg for the V6.

Mercedes A, B & CLA-Class get more frugal engines & new 4MATIC 4WD options

The Mercedes A,B & CLA-Class get more frugal and get new 4MATIC options The new Mercedes A-Class, B-Class and CLA-Class may not have been with us very long, but that’s not stopping Mercedes playing with what’s on offer with more frugal engines being launched and the option of 4MATIC 4WD being extended to the Mercedes A 200 CDI and 220 CDI. With an official fuel consumption of 54mpg and emissions of 125g/km, the latest Mercedes CLA 250 manages to improve emissions and economy figures by 7 per cent using a lean-burn process, without affecting performance. The Mercedes A 200 CDI gets a bigger engine – up from 1.8 to 2.2 litres – and 136hp and 221lb/ft of torque and, with the 7Speed DCT ‘box fitted, manages official consumption of 72mpg and emissions of 102g/km – 7g/km less than the old 1.8 litre A 200 CDI.