BrightDrop electric delivery vans (above) as well as Chevrolet Silverado/GMC Sierra pickups from General Motors Co. feature North America’s first composite tension leaf springs (TLS) with progressive ...

Leaf springs were a hot new technology several years ago, and by "several years," we mean the Bronze Age. Vehicles have evolved somewhat since the chariot, what with trotting and biting horses being ...

Leaf springs are one of the oldest forms of suspension. For hundreds of years, leaf springs have been used on automobiles, carriages, trailers, and so much more—and they’re still in use today. On the ...

There is the matter of power, and then there is the matter of putting that power to work most efficiently. Without a well-designed chassis and suspension, all the power in the world doesn't mean ...