My gut tells me that at this point in time and with our world’s scientific knowledge, there is no excuse for building something that isn’t energy efficient on at...

As world oil prices skyrocket, thousands of households in energy-poor Japan are taking part in an ambitious experiment to use fuel cells to light and heat their homes

After years of development, the Washington-based company InnovaTek is testing a hand-sized microreactor that can convert virtually any liquid fuel into hydrogen,...