It looks like a UFO, starts like a turtle, is covered with 2726 solar cells and runs as long as the sun shines. PM's Detroit editor Larry Webster goes behind the wheel of the Continuum, the University of Michigan's sun-powered car. (Published in the April 2009 issue)

There may be no better crystal ball to see what environmental solutions the world's automakers have in store for us than the Geneva Motor Show. PM picks the five best cars to have a blast with on the road while staying easy on the environment.

You may think you know how to change your oil, tires and oil filter, but are you really doing it the right way? Test your car expertise against Senior Popular Mechanics Automotive Editor Mike Allen--he might just teach you something new.

Though this year produced precious few all-new introductions at the Cycle World International Motorcycle Show, there were plenty of cool bikes—and that included the wild, weird and downright wacky bikes. Here are our top 10 picks from the show.

Despite a shaky economy and a rough 2008 for automakers, the Detroit Auto Show had some great concepts, slick sedans and plenty of EVs, hybrids and diesels. But only a handful of these cars could truly be considered the stars of this show.

There's never been a wilder year for the automotive world than 2008. Beyond the automotive financial implosion, nine more events, developments and products stand alongside as the most important of the year.

If the U.S. dramatically increases the nation’s hybrid and electric car fleet, battery suppliers for these vehicles may find themselves struggling to keep up with demand. Will the manufacturers be able to make way for more electric vehicles?

The 28th annual Cycle World International Motorcycle Show was filled with an array of factory and custom motorcycles, as well as the show's first-ever Scooter Pavilion. Here are our ten favorite rides from the show.

Can fresh startups weather today's economic perfect storm? The car industry is certainly in trouble, but these ambitious little companies intend to buck the trend.

While the mainstream press spends its time contemplating the benefits of the Malibu over the Sebring, we'll focus on what the enthusiast wants to know—what'll happen to both companies' high horsepower and heavy-on-the-fun offerings.

Today's pickups are the most capable, fuel-efficient and useful trucks ever. We know because we gathered the five newest full-size pickups for an exclusive showdown and we're rolling out our test results early so you can read them here first.

Beyond the flash of concept Lamborghinis and the promise of game-changing hybrids, the big picture from Paris this year is rather gloomy.

It's this year's ultimate MPG comparison test: the just-released 2009 Volskwagen Jetta TDi diesel against the uber-popular 2008 Toyota Prius hybrid. And PopularMechanics.com has it first, with some very surprising results.

Despite decades of past innovations and triumphs from General Motors, the guest of honor at today's GM Centennial bash here is a car that won't be in showrooms for at least two years: the Chevrolet Volt plug-in hybrid.

Wrapping up his hydrogen-powered lease of a lifetime, PM's Citizen Fuel Cell envisions a future of hydrogen-electric hybrids that weens us off gasoline for good.