New Rear Right Upper Front Position Camber Strut Control Arm Fits Mercedez-benz on 2040-parts.com

GM, Ford and Chrysler sales advance on crossover, small-car demand

General Motors, Ford and Chrysler posted higher July sales, helped by demand for crossovers as well as small, fuel-efficient vehicles. GM said today its sales rose 8 percent last month from a year ago, with passenger car demand rising 8 percent and crossover sales increasing 20 percent. At Ford, sales rose 6 percent, with car demand advancing 3 percent and light truck sales up 12 percent.

Watch the Porsche 911 GT3 rear-steering system work

A handful of manufacturers have offered four-wheel steering in the past including Honda, Nissan, BMW, Mitsubishi, Mazda and, most recently, Acura and Porsche. On Monday, suspension expert Elephant Racing uploaded a video to its YouTube channel demonstrating the feature on the 2014 Porsche 911 GT3. In most four-wheel steering cars--Acura and Porsche included—a computer controls the movable rear wheels.

Simple Rule: Technology Costs

Close your eyes. Imagine you're at the turn of the 20th century. A favorite broadsheet tells you that these new-fangled automobile gadgets are dangerous rattle traps that foul the air and that they are singularly profound failures!