Funny how the straight truth on something is told in the most obscure places.http://www.bclocalnews.com/opinion/168478126.html"By far the largest source was oil runoff from land into drains, from oil changes, municipal and industrial wastes and other sources: 363 million gallons. Bilge cleaning and other routine ship maintenance added 137 million gallons, four times the tanker spill average.Air pollution from vehicles and industry deposited hydrocarbon particles equal to another 97 million gallons; natural seeps added 62 million gallons; offshore drilling discharges accounted for 15 million gallons.So that’s the first thing to understand. It’s not tankers and pipelines doing most of the polluting. It’s you and me.""The facts are clear. The most widely cited source is a graph prepared by Cambridge Energy Research Associates, which shows that 75 per cent of greenhouse gases from all types of crude occur when the gasoline, jet fuel and diesel are burned by the end user.Yes, there are variations in emissions on the remaining quarter. Emissions from mined oil sands crude are slightly higher than steam extraction, which is slightly higher than conventionally drilled and pumped crude. The most greenhouse gas-intensive crude used in North America is California heavy crude, which is conventionally drilled."Dan
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