But from a climate and urban heat island standpoint, it makes a lot of sense to install bright, white roofs. That's why we say, 'Bright is the new black.
The average fuel efficiency for new cars and light duty trucks has increased while the averagecarbon dioxide(CO2) emissions continue to decrease for the seventh consecutive year, according to the US Environmental Protection Agency's (EPA) annual...
The Department of Energy said it was aiming to cut battery costs from about $1,000 per kWh in 2009 to $300 by 2015 and to $100 by 2030. At the time it announced that goal, the only U.S. automaker shipping an electric car was a California startup, Tesla, and its battery cost $36,000 and weighed a whopping 992 pounds. Now, Envia, one of the companies funded, has just cut costs in half of future electric vehicle batteries.
Beijing’s planning a bike-sharing program that will give other top bike-sharing programs in the world a run for their money (as in, will be up there with the top bike-sharing programs in the world in size and scale).
Stations for the program have been “spotted being installed in the Dongcheng and Chaoyang [...]