Clean Transport

Published on October 6th, 2016 | by James Ayre

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Study: “Clean” Vehicles Are Usually Low-Cost Vehicles As Well

October 6th, 2016 by  

A new study evaluating the the potential of “low-carbon-intensity” vehicles to meet climate change mitigation targets was recently released, revealing that “a clean vehicle is usually a low-cost vehicle.”

The study — Personal Vehicles Evaluated against Climate Change Mitigation Targets — argues that most hybrid and battery electric vehicles on the market today (in the US) are satisfactory for carbon intensity limits required to meet 2030 climate targets, but that, by 2050, only all-electrics supplied almost entirely with renewables will be able to meet climate-policy targets.

evs-climate-targets

Here’s the full abstract: “Meeting global climate change mitigation goals will likely require that transportation-related greenhouse gas emissions begin to decline within the next two decades and then continue to fall. A variety of vehicle technologies and fuels are commercially available to consumers today that can reduce the emissions of the transportation sector. Yet what are the best options, and do any suffice to meet climate policy targets? Here, we examine the costs and carbon intensities of 125 light-duty vehicle models on the U.S. market today and evaluate these models against U.S. emission-reduction targets for 2030, 2040, and 2050 that are compatible with the goal of limiting mean global temperature rise to 2 °C above preindustrial levels. Our results show that consumers are not required to pay more for a low-carbon-emitting vehicle. Across the diverse set of vehicle models and powertrain technologies examined, a clean vehicle is usually a low-cost vehicle. Although the average carbon intensity of vehicles sold in 2014 exceeds the climate target for 2030 by more than 50%, we find that most hybrid and battery electric vehicles available today meet this target. By 2050, only electric vehicles supplied with almost completely carbon-free electric power are expected to meet climate-policy targets.”

It should be remembered here that climate-policy targets and the actual emissions reductions necessary to avoid catastrophic climate change aren’t necessarily the same thing. There’s now good evidence that current climate-policy targets will still lead to a dangerously high rise in temperatures — along with associated effects on agricultural productivity, water availability, sea levels, and the spread of disease vectors, amongst other things.


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About the Author

's background is predominantly in geopolitics and history, but he has an obsessive interest in pretty much everything. After an early life spent in the Imperial Free City of Dortmund, James followed the river Ruhr to Cofbuokheim, where he attended the University of Astnide. And where he also briefly considered entering the coal mining business. He currently writes for a living, on a broad variety of subjects, ranging from science, to politics, to military history, to renewable energy. You can follow his work on Google+.



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