Could roads recharge electric cars? The technology can be close.

Other challenges may slow down the electric road of the future. “To put this in context, burglary charging while driving is probably not a broad solution for all electric vehicles, but it may play an important role for some applications,” said Jeremy J. Michalek, professor of engineering and public policy and director of the vehicle electrification group. at Carnegie Mellon University.

“For passenger cars, most motorists will leave home most days with a full tank of electricity, and the EV range is growing so large that most motorists do not need public charging except on rare long-distance travel days,” he said.

But there is a bigger problem that such lanes can solve. “For long-distance trucks, burglary charges are intended to solve a real problem with electrifying trucks,” said Mr. Michalek. Electric trailer trucks require large battery packs that reduce the payload; entry tax could help, although the amount of long-distance travel would require a huge investment in infrastructure.

Entry charges must also “withstand all the weight and weather abuses that tear up our roads today. There may be special applications where inroad charge infrastructure can be targeted to selected locations, such as bus stops or fleets with fixed routes and known stops,” he said.

The Purdue team is aware of these challenges, but optimistic. “The technical obstacles we have to overcome are not insurmountable,” Mr Aliprantis said. “They can be overcome with proper design.”

However, there are regulatory barriers, he said. “For example, in Indiana, if you are not a utility company, you can not resell electricity. So if you are a road operator, you can not charge the vehicles for the electricity they use. There are also obstacles to using the interstate road right now. to install this infrastructure. There are certain rules that need to be changed before this becomes a reality, at least in this country. “

In addition, the electricity grids must increase capacity to ensure that they can meet the demand that will be created. “Especially if we want to implement this technology on a large scale because we do not charge mobile phones, we charge large vehicles moving at highway speeds that require a significant amount of power,” he said.

For the Purdue project, it is the start of a road trip.

“We see this technology as a great opportunity to align with the vision of the U.S. Department of Transportation and the Federal Highway Administration on alternative fuel corridors along major national roads that support plug-in charging of electric vehicles, hydrogen, propane, and natural gas refueling. planned infrastructure, “said Ms Gkritza.” We are not proposing that all roads be 100 per cent electrified. “

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