Many in the energy industry are racing to invent a better battery for smartphones and other devices, but what if the latest electronic gadget didn't need a battery to begin with?
Oil prices barely moved on renewed US military action in Iraq; Souring Russia-EU relations means it could be a cold winter in Europe; Mexico moves ahead with opening its oil sector to foreign investment. Catch up on the week in global energy with Recharge.
Barcelona's solar energy regulations have moved the city to becoming an example of a sustainable city. Some of Barcelona's efforts include becoming the first European city to have a solar thermal ordinance and having one of the cleanest bus fleets in Europe.
The US began limited airstrikes against Islamist militants in Iraq Friday in an effort to stem the spread of violence. Despite Iraq's status as a major oil producer, oil markets haven't responded much yet to the renewed upheaval – suggesting that investors have grown accustomed to Mideast turmoil.
Solar panels typically cannot capture solar radiation properly unless the sun is straight on the solar panel. However, a company has developed material that can help solar panels capture sunlight from all angles.
The Obama administration is pushing green energy in Africa, hoping the continent will bypass coal on its road to development. But some say it's not realistic – or ethical – to expect emerging economies to sidestep fossil fuels.
Shipping crude oil by rail has led to a coal shortage across the US. Rail companies have more than doubled the amount of petroleum products being shipped each week, which has caused delays in shipping coal, corn, and grain.