WASHINGTON—The Biden administration released an ambitious federal strategy Monday to build 500,000 charging stations for electric vehicles across the country and bring down the cost of electric cars with the goal of transforming the U.S. auto industry. “The future of transportation in our nation and around the world is electric,” Vice President Kamala Harris said at an EV charging facility in suburban Maryland. The $1 trillion infrastructure law President Joe Biden signed last month authorizes a nationwide network of charging stations and sets aside $5 billion for states to build them, including $63 million for Maryland. The law also provides an additional $2.5 billion for local grants to support charging stations in rural areas and in disadvantaged communities. The Biden administration wants “to make electric vehicles accessible for everyone,” Harris said. “Absolutely make it accessible for everyone and easy. Just like filling up your car with gas.” Harris visited a …