Pipeline transport transport cost about $10 to $15 per barrel. Trucking has even higher costs due to the additional labor required; employment on completed pipelines represents only "1% of that of the trucking industry." In the United States, 70% of crude oil and petroleum products are shipped by pipeline. (23% are by ship, 4% by truck, and 3% by rail) In Canada for natural gas and petroleum products, 97% are shipped by pipeline. Natural gas (and similar gaseous fuels) are lightly pressurized into liquids knows as Natural Gas Liquids (NGLs). Small NGL processing facilities can be located in oil fields so the
Central Europe Pipeline System out against a part of the pipeline in Southern-Germany by Red Army Faction sympathisers. At the end of the Cold War the system was significantly reduced as various military airports that used the system were closed, such as Bitburg Air Base and Soesterberg Air Base. However, in some other places expansion of the pipeline continued and in October 2008 construction of of additional pipeline was completed between Aalen and Leipheim. Since 1959, excess capacity of the pipeline may be used by civilian users. Currently, around 90% of the fuel transported through the system is for civilian users, customers including various