Remove 2030 Remove Fossil Fuels Remove Nitrogen Oxides
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Diesel is the Reason for the Sneezin’: Cleaner Holiday Deliveries are on the Horizon

Union of Concerned Scientists

But while greenhouse gas emissions may be reduced, a delivery fulfilled by a diesel-burning truck may lead to increases in emissions of smog-forming nitrogen oxides and lung-damaging particulate matter.

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The Supreme Court’s Latest Decision Is a Blow to Stopping Climate Change

Union of Concerned Scientists

The majority 6–3 decision sharply curtails the EPA’s authority to set standards based on a broad range of flexible options to cut carbon emissions from the power sector—options such as replacing polluting fossil fuels with cheap and widely available wind and solar power coupled with battery storage.

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Clean Fleets Rule Slated to Deliver Healthier Air for Californians

Union of Concerned Scientists

In the coming years, Californians will begin to see a massive switch away from highly polluting fossil-fueled trucks to zero-emission electric trucks. Additionally, the rule phases out the sale of fossil-fueled trucks in 2036. The rule will apply to commercial, federal, state, municipal, and drayage fleets.

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What You Need to Know about Advanced Clean Fleets: Funding, Flexibility, and FAQs

Union of Concerned Scientists

Despite the generous funding opportunities and holistic flexibilities baked into ACF, confusion around and misinformation about the rule may undermine this much-needed shift away from fossil-fueled trucks and buses. The ACF is estimated to significantly reduce pollution from the statewide commercial truck and bus fleet.

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Decarbonizing California Transportation by 2045

Science & Climate

A team of transportation and policy experts from the University of California released a report today to the California Environmental Protection Agency (CalEPA) outlining policy options to significantly reduce transportation-related fossil fuel demand and emissions. The state funded the two studies through the 2019 Budget Act.

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Fossil Fuels Must Go: Re-inventing US Transportation

Union of Concerned Scientists

To adjust the focus of this picture a little closer, just our passenger cars and light trucks contribute to a whopping 58 percent of total transportation emissions, placing our car-centric society in the fossil fuel spotlight. Petroleum has accounted for more than 90 percent of transportation energy in the last 50 years.

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We Need an Agreement to Phase out Fossil Fuels at COP28

Union of Concerned Scientists

It’s not just the poor air quality, long lines, and excessive fossil fuel company representation ; nations are still too far apart in their positions on a fossil fuel phaseout, the top priority for this COP. Yet global fossil fuel production and use continue to expand. Particulate matter (PM2.5)