Australians love cooking with gas, but what if you could make your own supply, using leftover food waste? It may be time for more households to embrace home biogas – and stop paying gas bills.
We have the technology to make oil from algae, rather than digging up crude oil from organisms that lived billions of years ago. But bringing it to market will take a force of economic and political will.
John Mathews, Macquarie Graduate School of Management
The Obama Administration is facing a critical choice over whether to approve an extension of the Keystone XL oil pipeline. If approved it will carry heavy crude oil from the tar sands of Alberta to refineries…
The United States will overtake Saudi Arabia as the world’s leading oil producer by about 2017 and will become a net oil exporter by 2030, the International Energy Agency (IEA) [recently predicted](http://iea.org/publications/freepublications/publication/English.pdf](http://iea.org/publications/freepublications/publication/English.pdf…