Fuel Efficiency
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Despite the outcome of federal rules for emissions and fuel economy, California could accomplish serious gains on a regional basis.
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California is boycotting automakers that don't side with state on emissions
The state is finished buying fleet vehicles from companies that sided with the Trump administration—and could be done with internal combustion.
Byron Hurd -
Hyundai testing fuel-saving truck platooning tech for real-world traffic
With a technology that Hyundai is testing, trucks may be able to take advantage of fuel-saving platooning even on roads with other traffic.
Byron Hurd -
2020 Volvo plug-in hybrids: Bigger battery boosts EPA range, mpg
A slightly larger battery pays off with both a longer electric range and better fuel economy numbers on Volvo's 2020 PHEV models.
Bengt Halvorson -
Green group nudges Ford to put some "eco" in its Ecosport
The Union of Concerned Scientists homes in on Ford's smallest model for the U.S. market and its sub-30-mpg ratings.
Byron Hurd -
2020 Tesla Model 3 is the most energy-efficient US passenger vehicle
The Model 3 might top the charts as the top-rated vehicle for energy efficiency in the U.S. market for the 2020 model year.
Bengt Halvorson -
U.S. EPA ratings have confirmed that the Ioniq Electric is rated at 170 miles with its larger 38-kwh battery pack, arriving in 2020.
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Report: SUV boom, VW diesel scandal, Chinese steel all relate to slipping CO2 progress
The annual efficiency report from the IEA reveals a number of factors that have slowed worldwide energy efficiency improvement.
Bengt Halvorson -
GM, Toyota, FCA join Trump administration in opposing California emissions rules
Four automakers and a trade group are joining the push toward “one national standard”—and stripping California of its authority to regulate tailpipe emissions.
Bengt Halvorson -
EPA chief Wheeler says under new rules CO2 limits will be tighter
With all loopholes banished, the new rules will reduce CO2, claimed the EPA Administrator in a recent Detroit address.
Byron Hurd -
SUVs are 2nd-largest contributor to CO2 increase this decade
Passenger SUVs are to blame for growth in CO2 emissions, an upcoming paper finds, while the passenger-car sector has made CO2 reductions.
Byron Hurd -
Fuel economy review: The 2020 Ram 1500 EcoDiesel is a brawny fuel-sipper
Until electric trucks arrive, the Ram EcoDiesel is the way to haul heavy loads without guzzling fuel at alarming rates.
Joel Feder -
Changes to federal emissions and fuel economy standards have lasting (and delayed) effects to major shifts in fleet fuel economy.
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Daimler fined $960M in Germany over diesel trickery
Mercedes-Benz E-Class and C-Class diesel models are at the center of a nearly $1 billion fine in Germany.
Byron Hurd -
Trump administration says California air is dirty, threatens to withhold highway funds
California is not yet doing enough to clean up its emissions, the EPA says, as it looks to revoke the state's authority in favor of lower emissions standards.
Byron Hurd -
Trump: EPA to remove California emissions authority
The Trump administration is ready to reveal its plan for revoking California's control—including its electric-car mandate, according to reports.
Bengt Halvorson -
EPA chief softens stance on fuel-economy rollback
Andrew Wheeler now says that the administration isn't committed to revoking California's emissions authority.
Byron Hurd -
Report: Trump Administration aiming to revoke California emissions authority
In a plan drawn with the EPA and NHTSA, the Trump administration is aiming to take vehicle emissions authority away from California.
Bengt Halvorson -
The push for higher-mileage new cars isn't as controversial as the federal government might be making it sound.
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Two-speed transmission for EVs could make a comeback
The German supplier ZF has developed a 2-speed transmission that could help improve electric-car efficiency and driving range.
Eric C. Evarts -
Trump administration freezes fines for fuel-economy violations
The National Highway Traffic Safety Administration has acted to freeze fines for companies that violate federal fleet fuel economy standards.
Eric C. Evarts -
23 states now oppose EPA fuel economy freeze
The governors of 23 states plus Puerto Rico have urged the Trump administration to reconsider its proposal to freeze the federal fuel efficiency standards through 2026
Eric C. Evarts -
2020 Hyundai Sonata will emit less with new valve-duration tech
A wide range of Hyundai and Kia vehicles, starting with the 2020 Sonata, will be soon be getting engines with a next-generation valve system.
Bengt Halvorson -
Automakers lay out mpg concerns for Trump: Talk to California, please–Update
Automakers (17 of them) wrote a letter to President Trump asking for California to be included in his single national standard for revamping fuel economy rules.
Bengt Halvorson