Winds 300 to 600 metres above the ground are, on average 5 to 8 times as strong as those at the surface.
Altaeros, a four-year-old company in Massachusetts, has developed its Buoyant Airborne Turbine (BAT) to take advantage of these stronger, more consistent winds. Read more »
Peugeot is turning to hybrid compressed air technology to address the biggest barrier to customers buying electric cars and plug-in hybrids – the cost. The company believes that this simple but effective technology could be added to a wide variety of engines for a small price premium and boost economy significantly. The Peugeot 2008 Hybrid Air prototype […] Read more »
A new drain heat exchanger for waste heat recovery in residential buildings promises to be the first practical version for home shower use. It is claimed to recover up to 45% of the waste heat from shower drains while offering a good return on investment. Read more »