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Using an engine design that was largely abandoned after World War II, new engines find fuel savings where big auto companies--weighed down by the inertia of their designs--can't. Decades of refining today's automobile engine technology has come to this: We're investing more and more, but getting less and less in terms of efficiency, performance, and durability

Utilities are big and slow and doing a bad job preparing for the smart-grid-enabled future. Those who can't wait are setting up smaller grids, which are becoming test sites for smart energy management technology

While it may seem that people want to cut back on spending, companies that shape up inefficient buildings and get paid back via the energy savings are doing booming business. What's the ideal economic environment to get a free high-efficiency upgrade worth tens of millions dollars

Everyone needs the Internet, and as our data requirements explode, it's putting a strain on broadband networks. Luckily, scientists can make wireless signals come from your TV and your lightbulb

A new process for converting plants to oil can use plants that we don't also want for food, opening up new possibilities for a future where the fields with amber waves are what power our cars. When Texas prospectors first hit oil gushers atop Spindletop Hill in 1901, it seemed like the Oil Age would go on forever.

Airlines are rushing to adapt to rising fuel costs, but most efficiency gains have already been made. If gas prices continue to rise, it may require a full rethinking of how we fly

It looks like a regular overpass, but it's not for cars, it's for bears. Highway designs that allow animals to pass over or under without becoming road kill are getting more and more common, but will they work in the Serengeti, when the road crosses the largest animal migration in the world?

Personal charging devices for electric vehicles are starting to hit the market. Now your EV can have its very own dedicated wind turbine to combat NIMBYs everywhere

The ocean is a virtually limitless source of water, if we can get the salt out.

Malaria drugs are expensive, and the disease is becoming resistant. But nothing can resist microwaves.

After being fished to the brink of extinction, the once abundant (and delicious) cod is coming back due to smart management of the fisheries. But that doesn't mean the species will ever be the same. For 500 years, the waters off Canada's Newfoundland were among richest fishing grounds in the world

It can take years for a new engineering feat to go from concept to commercialization. The rechargeable batteries in your phone took 20 years to develop. So the federal government is launching a project to speed up invention and hopefully save U.S

As compared to rural dwellers, urbanites are more stressed and more likely to develop schizophrenia.

There was one recent positive survey, but test after test has found that people aren't so psyched when smart meters arrive in their home. They may not have a choice. There are actually two electrical grids being built in the U.S

It's an old technology for storing energy that's finally getting an update, and it's appearing everywhere from power plants to Formula One race cars, and will soon be hiding in your wheels, helping save you fuel. It's a not a new battery or super-hot liquid salt .