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Fuel efficiency

Shipping ports are major sources of air and water pollution, due in part to anchored or docked ships using diesel generators to keep their onboard systems powered up. A year from now, however, the Port of Honolulu will be trying out a mobile hydrogen fuel cell unit, as a more eco-friendly and fuel-saving alternative. Read More
By helping to minimize the hydrocarbons and other pollutants that are emitted in a car's exhaust, catalytic converters serve an important purpose. Because they contain precious metals such as platinum, however, they can also be expensive. Now, a British scientist has developed a new type of converter that should be cheaper, longer-lasting and more effective, plus it should boost the vehicle's fuel efficiency. Read More
If there's one thing that needs to be aerodynamic, it's an airplane wing. Conventional wing designs however, suffer from a glaring weakness in this respect: the joint where the main wing meets the trailing flaps. Michigan-based FlexSys has developed a way to optimize wing aerodynamics with FlexFoil, a seamless variable geometry airfoil system that could deliver fuel savings of up to 12 percent. Read More
Cars don't need to have their engines running when they're stopped at red lights. That's why a number of automakers have developed start-stop systems, which stop a car's engine when the vehicle comes to a halt, and start it again as soon as the gas pedal is pressed. Bosch, however, is taking things farther. Its new start-stop system shuts the engine off not only at stops, but also whenever the car is coasting. Read More

Set to debut in the 2014 Jeep Cherokee, the EcoTrac Disconnecting AWD driveline system is designed to improve fuel efficiency by disengaging components from the driveline when not required, so that only power is delivered to the front wheels. Read More

Boeing has launched its newest airliner, the 777X, at the 2013 Dubai Airshow. The aircraft is designed with folding wing-tips that will increase wingspan and, as a result, fuel efficiency without limiting access at airports. Read More

The refrigeration units used in cold transport trailers are typically powered by small diesel engines, which use up non-renewable fuel and release greenhouse gases, just like their big brothers. The US Department of Energy, however, is looking into an alternative. As part of a two-year pilot project, it’s equipping four such trailers with clean-running hydrogen fuel cells. Read More

Scheduled to sell for less than half the price of the current cheapest car in America, the Elio is a 3-wheeled "car" that hopes to shake up the automotive world. It eschews the trendy electric powertrain for a small gas system, but thanks to its small, light, aerodynamic design, it promises to keep drivers away from the gas pumps for as long as possible. Read More
Perhaps you’ve got a decent, several-year-old car that you’re still happy with, but that you wish had some of the helpful computerized features of today’s newer models. Should that be the case, don’t go trading in your ride just yet. The Automatic system accesses your existing car’s onboard computer, then displays driving and diagnostic data on your smartphone’s screen. It could potentially save you money, trips to the garage, and even 911 calls. Read More
Engineers at GE think they could have a revolution on their hands, thanks to the new jet engine they've been working with that runs hotter than any of its predecessors. When combined with some other design changes, they figure their so-called ADVENT (short for ADaptive Versatile ENgine Technology) design could improve fuel efficiency by as much as 25 percent, extend flying ranges by 30 percent, and boost thrust up to 10 percent over contemporary engines. Read More
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