Under the Hood: Building a Better Engine

Pressure from the government to cut emissions of greenhouse gases and toxins has engine-makers taking a closer look at how new fuels combust

There is a host of existing technologies that could radically improve the internal combustion engines that power our cars. David Biello reports

Catalytic engines enable tiny swimmers to harness fuel from their environment and overcome the weird physics of the microscopic world

It won't be hydrogen fuel cells or plug-in hybrids, but rather refinements to the internal combustion engine, aerodynamics, drivetrains and tires that reduce emissions and kick up mileage

U.S. states are beginning to attack another major source of global warming pollution besides power plants: your car. David Biello reports

It's the battery, stupid...

The cult of the car is growing in China, along with its attendant environmental woes

Although not exactly the faux rocks that dazzle on home shopping networks, a new diamondlike coating protects jet turbines from extreme heat, allowing the engines to run hotter and cleaner

A contender in the race to be the car of the future is in the hands of regular drivers

One short hop for jet travelers, one (giant?) leap for biofuel-based jets

Replacing aluminum with copper in electric motors saves energy

Exploding the myth that premium gasoline delivers better performance in the average automobile