Why Renewable Energy Cannot Replace Fossil Fuels

In 2013, the world used 533 exajoule of commercial primary energy, of which 87% was from fossil fuels. Renewable energy (RE) accounted for just under 9% [BP 2014] (http://www.bp.com/content/dam/bp/pdf/Energy-economics/statistical-review-2014/BP-statistical-review-of-world-energy-2014-full-report...

By Patrick Moriarty

Heat-integrated household

In a typical household there are appliances for heating and other appliances for cooling. The former, including geysers, stoves, ovens and space heaters, typically use a heating element - an inefficient approach from an energy usage standpoint. The latter group of appliances is tasked with cooli...

By Neil Stacey