Part of the reason
electric cars, for now, are rather small is because there’s only so much power
in those batteries. Make no mistake, the
strides made in alternative power for cars has been remarkable, but it is also
somewhat limited. The biggest
limitations are distance and the size of the vehicle. While there are smaller trucks used right now that are electric, semi-trucks and buses, which
do account for a good portion of the fossil fuels consumed, are left out.
Frito Lay uses electric trucks in California that can travel 80 miles on a single charge |
So, what about
trucks? The biggest challenge right now
is that the battery to run a big truck or an interstate bus line would be so
ridiculously huge, the truck would need a second truck just to carry the
battery for the first truck. And, a four
passenger bus isn’t very sensible either.
Enter power lines… in
the roads. While the technology is far
from perfect, the idea is an interesting one.
Researchers at Volvo are working on a way to electrify the highways so
that trucks, buses, and presumably cars, can travel along for great distances
without the need for a recharge.
Problems abound. Rebuilding the entire interstate system is
one. Another issue is just how to get
the power from the road into the car. While
these are no small hurdles, some of the advances the auto industry has seen
just in the last 5 to 8 years in alternative energy vehicles has been
revolutionary.
Of course, if vehicles
constantly run without the need to pull over and refuel we may create another
problem: Where will we take a potty
break and who is going to make us a frozen Coke?
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