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

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