“Way back in 2012, the US government released a relatively ambitious plan to increase US passenger fleet average fuel efficiency to 54.5mpg,” Jonathan M. Gitlin reports for Ars Technica. “Back then, we looked at some of the new technologies that automakers were adopting in order to meet this goal, plenty of which can now be found in our cars. But despite lots of hard work by the boffins in automotive research centers in the US and elsewhere, the 54.5mpg Corporate Average Fuel Efficiency (CAFE) goal is dead in the water.”

“Americans, it seems, are just too in love with their light trucks and SUVs to make it happen,” Gitlin reports. “That’s according to a new report from the Environmental Protection Agency, the National Highway Traffic Safety Administration, and the California Air Resources Board.”

“The report projects that 46.3mpg is where we’ll be when it comes to CAFE in 2025, a drop of 15 percent compared to where we’d hoped to be,” Gitlin reports. “The assumptions that underpinned that target were based on a fleet that was two-thirds passenger cars and a third light trucks and SUVs. Now, the agencies have revised that based on consumer demand to a near-50:50 mix (52 percent cars, 48 percent trucks to be exact).”

Read more in the full article here.

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