Simple physics: It takes more energy to move heavier things. You’ll be shocked when you realize how much of the gas we use is just because of America’s obesity problem.
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Current batteries lack the oomph to power our freight-hauling needs. In the meantime, we have to squeeze every last drop of fuel we can out of them. These sexy new trucks should help.
America's trucks burn an enormous percentage of our total fuel, but their efficiency hasn't improved in years. But new, simple additions to a truck's body can have impressive effects on fuel economy.
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.
Steel's a done deal, right? A material we know all about, just as we move on to cooler composites? Nope. Someone's just invented new steel that's 7% stronger in a process taking just 10 seconds.
If all auto shows are paeans to over-the-topness, the Qatar Motor Show must top them all. So it's probably appropriate that Volkswagen is unveiling its highly anticipated XL1 hybrid concept car there: with a look that's part Prius, part Tesla, and part... DeLorean (dig those split windows and gullwing doors, Marty!), the XL1 appears to be stuffing 10 pounds of futurism into a five-pound bag.
