efficiency

Americans have gained weight over the last thirty years, and not just around the midsection. American garages and driveways have also put on pounds as cars have become larger and more powerful. A new study from MIT says that, if not for the increase in vehicle weight, we could already be ...

Automakers are being pinched to increase safety and improve fuel efficiency, but those two goals often work against each other. That could change thanks to a material that is 99.99-percent air. Ward's Automotive reports that the California Institute of Technology, HRL Laboratories and the ...

Every once in a while you'll find an accidental lie on the Internet... A group of German organizations created a label applied to every new car sold in that country that grades it based on CO2 usage. The energy-efficiency categories run from A+ to G, with the greenest cars at the top and the ...

Compared to gas and diesel vehicles, electric cars are incredibly efficient. It's a good thing too, since their batteries hold only a small fraction of the energy in a typical gas tank. As with most any technology, though, there is always room to boost efficiency. This is where start-up ...

At the Mercedes press conference during last week's Paris Auto Show, the company rolled out its CLS – the car everyone was really there to see – for dessert. We couldn't have our pudding without eating our meat, ...

Every automaker, including low-volume, high-performance brands like Ferrari, is going to have to reduce fuel consumption in the coming years, and the Italians will show their first tangible effort at the Paris Motor Show. The ...

Math isn't appreciated enough in our society. As a big fan of the "I'm an English Major, You do the math" shirt, I'll admit I'm part of the problem. We can all agree, though, that it's hugely important to "get" basic mathematical concepts, especially when it comes to understanding energy ...

If you think back to 2007, the last of the so-called boom years before the big crash, the automotive market was ripe with sales of luxurious vehicles, mammoth SUVs and full-size trucks. Small, economical cars had ...

Every month, Ward's Auto posts its Fuel Economy Index (FEI) numbers. Last time around, we noted that Ward's witnessed a decrease in buyer interest in fuel-efficient vehicles. While the numbers did indicate that overall fuel efficiency was still on the rise, it was also evident that buyers were ...

General Motors announced that it will invest $245 million at its powertrain plant in St. Catharines, Ontario to allow the facility to gear up for production of a new, highly-efficient six-speed automatic transmission. The new ...