Renewable energy and transport: decarbonising fuel in the transport sector

The transport sector now accounts for about 23% (7.3 Gt) of annual global energy-related CO2 emissions (32 Gt). This is a significant rise (about 120%) from 3.3 Gt/year during the 1970s, and to achieve a two-degree scenario (2DS), CO2 emissions from transport would need to decline to 5.7 Gt annually. By 2015, global road transport CO2 emissions should have already peaked in order to achieve a 2DS, but this is not likely to happen under current trends. Oil is expected to remain the dominant transport fuel in the coming years, and thus must be offset by a rapid decarbonisation of fuels and scaling up of renewable energy in the transport sector to achieve a proportional contribution to a 2DS. The SLoCaT Partnership has conducted an analysis to explore current trends and required policies in renewables and fuel uptake in the transport sector.

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