Automotive

Tesla 2Q deliveries rise over 1Q despite factory shutdown

Tesla says it delivered more electric vehicles worldwide in the second quarter than it did in the first. The increase came even though coronavirus restrictions forced it to shut down its only U.S. factory for much of the ...

Engineering

Researchers find solar photovoltaics benefits outweigh costs

Over the past decade, the cost of solar photovoltaic (PV) arrays has fallen rapidly. But at the same time, the value of PV power has declined in areas that have installed significant PV generating capacity. Operators of ...

Energy & Green Tech

Water vapor in the atmosphere may be prime renewable energy source

The search for renewable energy sources, which include wind, solar, hydroelectric dams, geothermal, and biomass, has preoccupied scientists and policymakers alike, due to their enormous potential in the fight against climate ...

Business

Tesla shares tumble as Musk says stock is overvalued

Irascible, outspoken Tesla chief Elon Musk went on another Twitter rant Friday, including saying the company's stock was overvalued, which sent the electric carmaker's shares tumbling.

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