Biogas (biomethane) has the same chemical material as natural gas (methane). Sweden has a pipeline of natural gas in the south and west coast of the country, that bring the gas from north sea into Sweden via Denmark. There is also a smaller gas grid around Stockholm area. These networks were previously used to bring the gas for heat and energy applications, while it is now used for delivering fuel to cars and trucks which run on gas (methane).
The biogas and landfill gas produced in Sweden was previously used mainly for heating applications. However, the biogas (not landfill gas), wherever possible, is upgraded (means purified to have more than 97% methane) and injected to the gas grids and delivered as car fuels. In 2011, a total of 75 million m3 biogas and 45 million m3 natural gas were delivered to the pumps, which was 30% more than in 2010. The biogas delivery per months was increased from about 3 to 6,5 million m3 from 2009 to 2012. The consumption of natural gas was also increased from 1.9 to 4.7 in the same period. It means the share of biogas in Swedish fuel market is increasing. It is now about 2% of the gasoline equivalent. Still low, but the trend is good!
(Monthly consumption of Biogas and natural gas in Sweden as car fuel, Data from SCB)
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