The U.S. Postal Service has big plans to replace its aging fleet of 165,000 gasoline-burning delivery vehicles. And some are pushing for the electric trucks to be built by union labor in Wisconsin.
As gas prices surge all over the world, some countries are taking a historic step by releasing oil from their emergency reserves. But it may not be enough to provide long-term relief at the pump.
While standard solar panels can provide electricity during the day, this device can be a "continuous renewable power source" during the day and at night.
The federal government has begun tallying the damage climate change could do to the economy and its budget. This comes as scientists warn time is running out to avoid catastrophic global warming.
There's concern the U.S. push to send more natural gas to Europe will increase climate warming emissions. But energy experts say the crisis might actually speed up the shift to cleaner energy.
There's concern that the U.S. push to send more natural gas to Europe will come at a cost to the climate. But experts say the Ukraine crisis may actually invigorate efforts around sustainable energy.