Dave Cooke

Senior vehicles analyst

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Dave Cooke is a senior vehicles analyst in the Clean Vehicles Program, specializing in both light- and heavy-duty fuel economy. He conducts research on fuel efficiency technologies and the implications for oil consumption and greenhouse gas emissions across the transportation sector. See Dave's full bio.

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Dave's Latest Posts

Why Do Fuel Economy Standards Matter With Cheap Gas?

With gas prices so low, automakers are claiming that nobody wants fuel-efficient vehicles. But consumers are smarter than that—they know that gas prices fluctuate. Read more >

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Technical Assessment Report on Fuel Economy Regulations: A Quick Guide

A few weeks ago, the Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) released a technical assessment report (TAR) looking at the latest and greatest information about the cars we buy, the technologies available to make those cars more efficient, and the ability of manufacturers to meet fuel economy and global warming emissions regulations that are helping to push those technologies to market. Read more >

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No, the Feds did not just Weaken Fuel Economy Standards

Yesterday, federal and state regulators released a technical paper on the 2025 fuel economy standards. Despite not being a new regulation—it’s essentially a research document—I woke up today to headlines like “EPA admits defeat on toothless 54.5 mpg decree,” “54.5 mpg target is off the table, U.S. regulators say,” and “Feds: Automakers may not meet fuel economy target.” So what is it everyone is getting wrong? Read more >

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Photo: Wikipedia

Five Deceptive Tactics Automakers Are Using to Fight Fuel Economy Standards

As our federal passenger vehicle efficiency standards come under review, it’s no surprise, sadly, to see a spirited opposition campaign from the nation’s automakers—and one so laden with misinformation.

A couple weeks ago, the Automotive Alliance (a trade group representing a number of automakers, including Toyota, Ford, General Motors, Fiat-Chrysler, BMW, Mercedes, and Volkswagen) released a fact sheet detailing a number of (often bogus) complaints about the fuel economy and global warming emissions regulations of light-duty vehicles that they would like to see remedied in the mid-term review. Read more >

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Workers on a VW assembly line. Photo: iStock

Volkswagen Reaches Agreement on Dieselgate, but Questions Remain

Today, Volkswagen came to a partial consent decree with the Environmental Protection Agency (EPA) and the California Air Resources Board (CARB) over the diesel deception undertaken by the company. The deal lays out a path forward for consumers who bought the polluting vehicles, as well as a plan for mitigating the ensuing pollution—but a number of key questions still remain. Read more >

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