Answers.comÂ® is making the world better one answer at a time. Single Overhead Cam is what the letters SOHC stand for. Multi-Point Fuel Injection is what MPFI or MPI stands for.
TransCanada proposed a fourth phase for the pipeline as far back as 2008. This is known as the Keystone XL project and it is Keystone XL that is causing controversy. The XL project will provide a second route through the North-West of America from the Western Canadian Sedimentary Basin in Alberta, Canada. It will supplement the existing capacity provided by the Keystone pipeline.
To sum up why the price of gasoline is so high even though the US is producing so much more oil than before: 1  The high cost of American oil production. 2  Even higher costs due to imported (non-Canadian) oil. 3  Obama not allowing cheaper Canadian oil to flow to the refineries via pipelines such as the Keystone XL.