Sustainable America Blog

Charge While You Drive

You just got a shiny new electric vehicle, you’re hip and ready to go. Driving could be a dream, but where are you going to “fill up”?

What if you could charge your new car while driving it? Sounds fantastical, but actually the ability to charge while you drive with wireless technology may be just around the corner.

Researchers at Stanford have come up with a wireless charging technology that uses “magnetic resonance coupling” – in other words, copper coils in your car and in the ground transfer electricity between each other while you are driving. Charge while you’re driving and you never have to stop to refill your battery!

This potentially revolutionary new system is outlined in a paper recently published in the journal Applied Physics Letters.

While there are some kinks to be worked out, the idea behind the technology is quite innovative and tackles head on the “range anxiety” that many people feel when deciding whether or not to purchase an electric vehicle.

Imagine a carpool lane magnetized for electric cars only. It would require tearing up some of the freeway pavement, but the metal coils needed to make it run are very affordable. One more important innovation on the road to a new way of driving.


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By the Numbers

Currently 50 million households suffer from food insecurity, meaning that family members cannot always meet their basic food needs.

10 million people a year could be fed through the recovery of just one-fifth of food waste.

Only 2% of food waste is composted or otherwise recycled—62% of paper is recycled.

Consumers throw out about 40% of the fresh and frozen fish they buy.

The U.S. produced 208 pounds of meat per person in 2009—60% more than Europe.

Low income commuters spend a much higher proportion of their wages on gas—8.6% versus 2.1% at $4 per gallon.

Food prices rose 35-40 percentage points between 2002–2008.

Americans consume 25% of the world’s produced oil, but our nation holds less than 3% of the world’s proven oil reserves.

The International Energy Agency says greenhouse gas emissions rose 3.2% last year, with a 9.3% increase in China offsetting declines in the US and EU.

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