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A consortium of 21 states has filed a federal lawsuit claiming that President Joe Biden and his administration have overstepped their authority in taking steps to regulate greenhouse gas emissions.

Nationwide on-highway retail diesel prices ended 2023 some 14.5% below where they began the year.

The national average diesel price resumed its decline after a one-week increase, slipping 3.8 cents to $3.876 a gallon, according to Energy Information Administration data on Jan. 1.

2024 Diesel prices for Comdata are based on seven–day cash card transactions from more than 6,500 truck stops. T-Chek prices for self-service are based on purchases at more than 4,500 truck stops; wholesale prices are based on terminals and suppliers from 308 cities.

2024 Diesel prices from the U.S. Energy Information Administration are drawn from a weekly national survey of about 400 diesel service centers.

A spike in prices in the eastern half of the U.S. led to the first weekly national diesel average increase in nine weeks, with a two-cent spurt to $3.914 a gallon.

Diesel prices from the U.S. Energy Information Administration are drawn from a weekly national survey of about 400 diesel service centers.

Federal funding for hydrogen fuel hubs and competition for economic development projects were central themes among state governments in 2023.

U.S. automakers achieved a record average of 26 miles per gallon for vehicles made in the 2022 model year, but still fell short of current fuel standards, according to EPA data on Dec. 20.

Progress in 2023 for battery-electric trucks was slower than expected, with demand underwhelming and improvements needed for the underlying infrastructure, some OEM executives say.