(Natural News) The United States is home to virtually as many cars as people, with its 318 million residents owning an estimated 260 million vehicles. As noted by the website Nanalyze.com, if you're American and you don't own a car, "people usually think you're a hippy or an alcoholic." Those millions and millions of vehicles represent big bucks – pots of cash that every vehicle manufacturer wants to dip into, including the manufacturers of electric vehicles.

There's one big problem with these vehicles, though: They have to be charged every 80 to 100 miles. That fact alone means that these cars are mostly only suitable to be used as city run-around vehicles, and perhaps accounts to a large extent for the fact that less than one percent of all the vehicles in the United States are electric.

Scientists everywhere have been scrambling to find a way around this problem, especially since electric cars have been touted as being better for the environment and are becoming increasingly fashionable with celebrities like Leonardo DiCaprio. (Related: Carbon footprint lunacy – Leonardo DiCaprio flies 8,000 miles on private jet to accept environmental award.)

One solution that was recently presented by researchers from the University of Colorado Boulder is a method of "on the go" wireless charging where electric plates are installed along highways and other roads to charge vehicles automatically as they pass along.

While this might seem like a practical and sensible solution, experts warn that this type of "effortless" charging might pose serious health risks.

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Why electric highways are a bad idea

NaturalHealth365 explains that the method developed by the University of Colorado Boulder's Department of Electrical, Computer and Energy Engineering involves the wireless transfer of power using very high frequencies of around 1,000 watts (in megahertz-scale frequencies) to provide energy to vehicles traveling along special "electric highways" embedded with charging plates. Since vehicles would move along these highways at high speed, these special charging plates would have to be embedded at regular intervals, probably every few meters, in specially designated charging lanes.

The small amount of space between plates means that the frequency of the electric field would have to be high – and that's where the potential for disaster lies.

To illustrate just how high these frequencies would have to be, one only needs to compare the charging needs of household items like smartphones (5 watts of power) or laptops (100 watts) to the massively high frequencies needed to fuel the charging plates.