Jeremy Martin

Senior scientist, Clean Vehicles

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Jeremy Martin is a scientist with expertise in the technology, lifecycle accounting, and water use of biofuels. He is working on policies to help commercialize the next generation of clean biofuels (made from waste and biomass rather than food) that can cut U.S. oil dependence and curb global warming. He holds a Ph.D. in chemistry with a minor in chemical engineering. See Jeremy's full bio.

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Photo: Jaguar MENA

When Will Autonomous Vehicles be Safe Enough? An interview with Professor Missy Cummings

Professor Mary “Missy” Cummings, former fighter pilot and current director of the Humans and Autonomy Lab at Duke University, is an expert on automated systems. Dr. Cummings has researched and written extensively on the interactions between humans and unmanned vehicles, regulation of AVs, and potential risks of driverless cars. I had the opportunity to speak with Dr. Cummings and ask her a few questions about current technological limitations to AV safety and how to use regulation to ensure safety for all Americans, whether they are driving, walking, or biking. Read more >

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Photo: wellphoto/iStockphoto

California’s Clean Fuel Policies Clear Roadblocks to Electric Vehicles

The fight against climate change will be won or lost depending on how successful we are at decarbonizing the transportation sector.  Transportation is the largest source of carbon dioxide emissions responsible for climate change in the United States, and in California, and while emissions from electricity generation have been falling, emissions from transportation have been rising.  Getting these emissions in check requires steady higher efficiency conventional vehicles, a rapid transition to electric vehicles, and cleaner fuels that reduce the carbon emissions of the fuels used by all our vehicles.

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Former EPA Administrator Scott Pruitt dramatically scaled back federal biofuels policy by exempting many refineries from their compliance obligations. Photo: WClarke/Wikimedia Commons

Unwinding the Perverse Arithmetic of Scott Pruitt’s Small Refinery Exemptions to the RFS

Former EPA Administrator Scott Pruitt is gone, but the messes he created will be with us for a long time. His approach to the Renewable Fuel Standard (RFS) took an already complicated policy and turned it upside down. Here, we untangle the opaque way Pruitt rigged the system for his fossil fuel friends and what this means for the ongoing RFS rulemaking.

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Photo: WClarke/Wikimedia Commons
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California State Capitol
Photo: Rafał Konieczny CC-BY-SA-4.0 (Wikimedia)

California’s Clean Fuels Standard Poised to Get Even Better

Next month, the California Air Resources Board (CARB) is considering amendments to extend and strengthen the state’s pioneering Low Carbon Fuels Standard (LCFS).  The LCFS works in concert with other climate and vehicle policies to cut oil use and transportation emissions by promoting the use of cleaner transportation fuels ranging from biofuels to renewable electricity.

CARB staff’s proposal to the board would extend the policy to 2030 and double the emissions reduction target from a 10 percent reduction in average fuel carbon intensity in 2020 to a 20 percent reduction in 2030.  CARB is also increasing opportunities for renewable electricity and adopting rules to account for carbon capture and storage (CCS) used in the production of transportation fuels. Read more >

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Molecular biologist Z. Lewis Liu (foreground) and technician Scott Weber add a new yeast strain to a corncob mix to test the yeast’s effectiveness in fermenting ethanol from plant sugars. Photo: U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) CC-BY-2.0 (Flickr)

Pruitt Steps Up His Attack on Biofuel Policies

In late September, the EPA Administrator Pruitt stunned the biofuels world by releasing a rulemaking document (called a Notice of Data Availability or NODA) suggesting he planned to cut more deeply into the Renewable Fuel Standard (RFS) 2018 targets for advanced biofuels and biodiesel than had been previously indicated.  Read more >

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