Sikorsky building EV helicopter
The piloted aircraft is based on the S-300C design and features a 200-horsepower electric motor powered by lithium ion batteries.
Sikorsky will use the demonstration craft to help develop improved electric technology.
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Electricity restored to 75 percent of customers in Puerto Rico
PUERTO RICO - Nearly six months after Hurricane Maria decimated Puerto Rico, the island's electricity has been restored to 75 percent capacity, according to its utility company.
The Puerto Rico Electric Power Authority said Sunday that 75.35 percent of customers now have electricity. It added that 90.8 percent of the electrical grid, already anemic even before the Sept. 20 storm barrelled through the island, is generating power again.
Thousands of power restoration personnel made up of the Puerto Rico Electric Power Authority (PREPA), the Federal Emergency Management Agency (FEMA), industry workers from the mainland, and the Army Corps of Engineers have made…
