Ford, BMW and others sign binding emissions agreement with CaliforniaThey've committed to building cars that outperform federal fuel efficiency standards.By K. Holt, 08.18.2020
19 states vow to sue over proposed fuel efficiency rollbacksThey say the federal government has a duty to protect the environment.By M. Locklear, 08.03.2018
Even automakers don’t want Trump’s emissions rollbackThe only winners are the lawyers. By R. Baldwin, 08.03.2018
Trump administration reveals plans to roll back vehicle fuel standardsThe proposed policy would significantly curtail emission goals.By M. Locklear, 08.02.2018
NHTSA proposal would override California's tougher emissions rulesIt would also freeze fuel economy requirements after 2020.By J. Fingas, 04.28.2018
Court blocks Trump's delay of fuel efficiency penaltiesCar makers will still face stiff penalties if they don't meet standards.By J. Fingas, 04.23.2018
Trump reportedly seeks massive budget cuts to clean energy researchA draft budget proposal includes a 72 percent cut to certain Energy Department funds.By M. Locklear, 01.31.2018
China halts production of 553 car models over fuel efficiencyMany cars from major brands didn't make the cut.By J. Fingas, 12.31.2017
Car makers ask US officials to loosen fuel economy requirementsThey want to use a credit system to keep some polluting cars on the road.By J. Fingas, 10.07.2017
Car makers ask Trump to revisit fuel efficiency rulesThey don't want to be held to tougher environmental standards through 2025.By J. Fingas, 02.12.2017
Infiniti's latest engine is a last hurrah for gas-powered carsThe QX50 has the first production turbo engine to switch between performance and good fuel economy on the fly.By J. Fingas, 08.14.2016
GMC's latest SUV travels farther thanks to glueThe vehicle has shed 700 pounds by ditching rivets and welds.By J. Fingas, 08.14.2016
VW reportedly knew its fuel economy figures were wrong a year agoVolkswagen may have known its fuel efficiency claims were bunk, not just its emissions.By J. Fingas, 11.29.2015
Ford C-MAX Hybrid rated for 47MPG across the board, C-MAX Energi hits 85MPH in EV modeBy J. Fingas, 08.09.2012
Inhabitat's Week in Green: worlds largest LEGO Christmas tree, turbine powered LEDs and a hydrogen fuel cell vehicleBy Inhabitat, 12.05.2011
Inhabitat's Week in Green: holiday gift guide, 155 MPH biofuel truck and a solar-powered buckyballBy Inhabitat, 11.27.2011
Goodyear's self-inflating tires could improve gas mileage, leave Schrader valves unsatisfiedBy L. Leavitt, 08.13.2011
UK students' 1,980 MPG car scores first place in marathon race, by a 1,000 MPG marginBy D. Melanson, 06.24.2011
Tesla Roadster 2.5 gets 119 MPGe rating from EPA, still as expensive as ever (updated)By A. Toor, 05.26.2011