It's not often we get a peak of the mayhem that occurs inside an engine. BMW's new S1000RR superbike is proof that good things come in small packages. Watch the valves perform an incredible dance during a 14,000 rpm dyno pull.

Star's new Stratoliner Deluxe adds a wind-cheating fairing, commodious saddlebags, and even an Ipod dock to its classic V-twin boulevard rider. Could this be a Cruiser suitable for a cross-country run?

It's not size that makes a recall bad, it's the damage it does to the reputation of a company's products. That's why the recent Toyota news is so stunning, and why the most notorious recalls in history aren't necessarily the biggest.

Revealing its 2011 Silverado HD at the Chicago Auto Show this week, Chevy is the last of Detroit's three to announce its plans for a revamped range of heavy-duty pickups. Like Ford and Dodge, Chevy puts the emphasis on revised diesel engine technology.

On Monday night, Toyota recalled its flagship high tech hybrid, the Prius, due to a brake software problem. The year that the company already wants to forget after unintented acceleration woes just got worse. Here are the details.

Popular Mechanics' editor-in-chief James Meigs talks about the Toyota recall—and why the press and public backlash is overblown.

Even the most efficient internal-combustion engines use only 30 percent of the fuel’s energy to propel the vehicle. The rest exits as waste heat. Now, researchers at GM are working on an energy-­scavenging device that could convert that heat into electricity. (Published in the 2010 issue)

In an unprecedented move, Toyota will cease production and sales of eight models to fix a problem with the accelerator pedals. Here are the details.

Among its peers, the BMW 5 Series has always been the most satisfying to drive. The competition, however, is catching up, so the question before us is this: Does the new 5 Series retain its engaging driving dynamics?

This summer, teams hoping to build the world's most fuel-efficient car and take home millions in prize money will have to survive multiple elimination rounds as the organizers pick a winner. Here's how the process will work.

A China invasion of the U.S. auto industry has been anticipated with fear and loathing for a decade. And as American carmakers lift themselves off the pavement in 2010, the Chinese will be here, though not in the way we have been led to believe.