Chevy Volt

Tesla Motors has some good news for fans of the American maker of electric cars. The Model S -- its first reasonably priced vehicle -- may hit the streets as early as June. Will this be the vehicle that jump starts electric car sales?

Thanks to TARP loans that saved GM, the Treasury ended up with a major stake in the world's largest automaker, and it still holds 500 million shares -- 32% of the company. Here's the reason it won't be selling them any time soon.

Bad news for GM: The Chevy Volt still isn't selling the way the automaker hoped it would, so it's temporarily halting production of the battery-powered hybrids for five weeks. Worse news for GM: Shutdowns like this only make the Volt a harder sell.

When a major oil company predicts that the era of gas-powered cars is coming to an end soon, the rest of us might want pay attention. According to BP, you've got maybe 18 years left before your car is obsolete -- and probably a lot less than that.

The electric car has arrived, but odds are that there isn't one in your driveway. Several factors have gotten in the way of the eco-friendly automotive revolution, but at least now we can ask conspiracy theorists -- who argue that oil companies and the government are blocking plug-in cars from the road -- to leave the room and take their tinfoil hats with them. The electric car is here; drivers simply don't want them yet.

Upstart automaker Tesla Motors confirmed this week that its groundbreaking Model S, an all-electric luxury-sports sedan, was on track to enter production by this summer. It already has pre-orders for more than 8,000. Is the moment coming soon when electric cars go mainstream?

A host of new products launched this year. So were big successes -- like the iPhone 4S and the Boeing Dreamliner 787. Other new offerings crashed and burned spectacularly. Here's 24/7 Wall St.'s look at the biggest duds of 2011.

Two weeks ago, DailyFinance asked our readers for their advice on how to save money at the pump. In the more than 1,500 responses that followed, we found a lot of creative solutions. Today, we look at maintenance and new-vehicle options that will help you spend less per mile.

GM models sold smartly despite the steadily rising price of gas. GM says it sold 207,028 vehicles during the month. The increase was driven largely by a 70% jump in retail, or individual consumer, sales.

President Obama wants to put a million plug-in cars on the road by 2015, which will be a tall order. Indiana University recently released a fairly skeptical report, concluding, "The production intentions of automakers are currently insufficient to meet the 2015 goal, and even the current plans for...