Diesel fuel consumption could decline 18 percent by 2040 under a new round of fuel economy and greenhouse gas emissions standards for medium and heavy-duty trucks, the Energy Information Administration (EIA) said in a forecast released June 23.
EIA also said new truck standards would reduce total delivered energy consumption in the transportation sector by 6 percent by 2040.
EIA made the comments after analyzing Phase 2 of the Greenhouse Gas proposed rulemaking issued jointly last year by the Environmental Protection Agency and the National Highway Traffic Safety Administration (NHTSA).
EPA in 2015 proposed Phase 2 fuel economy and greenhouse gas standards for medium and heavy-duty trucks aimed at lowering carbon dioxide emissions by 24 percent by 2027. The proposed standards cover model years 2021-2027 and reportedly would reduce oil consumption by up to 1.8 billion barrels over the life of the vehicles sold under the rule.
The proposed rule built on a 2011 rule that required trucks to decrease consumption and GHG emissions by 10 percent to 20 percent of 2010 levels.
The proposed rule is expected to be completed this year, and is currently under review at the White House Office of Management and Budget.
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