"In North America, four factors promise to make natural gas a viable alternative to oil-based fuels.
First, revolutionary technology is unlocking enormous new supplies of shale gas.
Second, unrest in North Africa and the Middle East has underlined U.S. oil-supply vulnerability.
Third, there are clear environmental advantages to clean-burning natural gas (which emits 25 per cent less carbon dioxide than diesel).
Read the full article: http://www.theglobeandmail.com/report-on-business/commentary/gwyn-morgan/natural-gas-the-next-green-hope/article1948906/
Fourth, there have been major advances in natural gas fuel technology."