Scientists at Stanford University said they have developed a high-performance aluminum-ion battery that could replace the alkaline and lithium-ion batteries that are used to power devices today.
President Barack Obama is setting a goal of raising $2 billion from the private sector for investments in clean energy.
California Gov. Jerry Brown plans a trade and environmental mission to Mexico this summer, in part to strike a deal reducing air pollution.
Weighing over eight tons, the “Beast”, Obama’s armored limousine was flown out to Lisbon before his arrival at what was intended to be a summit on cleaner-burning vehicles.