Clean-tech visionary Elon Musk first unveiled his idea for a high-speed ground transport system called Hyperloop back in 2013. The concept — in which passengers are transported in magnet-propelled capsules at more than 750 miles per hour — was quickly dismissed by many as a pipe-dream.But, while most of us weren’t paying attention, a handful of private companies…

With a busy week behind you and the weekend within reach, there’s no shame in taking things a bit easy on Friday afternoon. With this in mind, every Friday TriplePundit will give you a fun, easy read on a topic you care about. So, take a break from those endless email threads, and spend five…

Conversations about energy use in the U.S. often revolve around expanding domestic production or spurring renewables. It’s easy to forget another significant piece of the puzzle – energy efficiency. In its 2013 scorecard, the American Council for an Energy-Efficient Economy (ACEEE) ranks the most energy-efficient states based on policy and program efforts that improve efficiency…