4.7 Article

Near and long-term perspectives on strategies to decarbonize China's heavy-duty trucks through 2050

Journal

SCIENTIFIC REPORTS
Volume 11, Issue 1, Pages -

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41598-021-99715-w

Keywords

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Funding

  1. Natural Resources Defense Council (NRDC)'s China Oil Cap Project
  2. NRDC under Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]

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China needs to significantly reduce CO2 emissions from heavy-duty trucks, and deploying battery electric and fuel-cell trucks starting in 2020 and 2035 respectively could achieve the largest emissions reduction by 2050. Near-term strategies such as improving efficiency and switching to liquefied natural gas could also halve current diesel consumption and CO2 emissions by 2050. The results highlight the importance of a mix of near- and long-term policy and technology options for decarbonizing China's heavy-duty trucks.
China needs to drastically reduce carbon dioxide (CO2) emissions from heavy-duty trucks (HDTs), a key emitter in the growing transport sector, in order to address energy security concerns and meet its climate targets. We address existing research gaps by modeling feasibility, applicability, and energy and emissions impacts of multiple decarbonization strategies at different points in time. China still relies heavily on coal power, so impacts of new HDT technologies depend on the timing of their introduction relative to progress toward non-fossil power. We use a bottom-up model to simulate HDT energy consumption and CO2 emissions through 2050. Results show that beginning to deploy battery electric and fuel-cell HDTs as early as 2020 and 2035, respectively, could achieve significant and the largest CO2 emissions reduction by 2050 with a decarbonized power sector. However, viable near-term strategies-improving efficiency and logistics, switching to liquefied natural gas-could halve HDTs' current diesel consumption and CO2 emissions by 2050. Our results underscore the need for a mix of near- and long-term policy and technology options to decarbonize China's HDTs.

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