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Data & Publications

Technology Roadmap - Fuel Economy of Road Vehicles

Technology Roadmap - Fuel Economy of Road Vehicles

This roadmap explores the potential improvement of existing technologies to enhance the average fuel economy of motorised vehicles; the roadmap’s vision is to achieve a 30% to 50% reduction in fuel use per kilometre from new road vehicles including 2-wheelers, LDVs and HDVs around the world in 2030, and from the stock of all vehicles on the road by 2050. This achievement would contribute to significant reductions in GHG emissions and oil use, compared to a baseline projection.

Different motorised modes are treated separately, with a focus on LDVs, HDVs and powered two-wheelers. A section on in-use fuel economy also addresses technical and nontechnical parameters that could allow fuel economy to drastically improve over the next decades. Technology cost analysis and payback time show that significant progress can be made with low or negative cost for fuel-efficient vehicles over their lifetime use. Even though the latest data analysed by the IEA for fuel economy between 2005 and 2008 showed that a gap exists in achieving the roadmap’s vision, cutting the average fuel economy of road motorised vehicles by 30% to 50% by 2030 is achievable, and the policies and technologies that could help meet this challenge are already deployed in many places around the world.

This report has been released in tandem with another report the Policy Pathways: Improving the Fuel Economy of Road Vehicles - A policy package, which describes the policies needed to deploy more fuel economic vehicles in more detail.

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Released Date 19 September 2012
Pages 50
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