As the 2023 United Nations Climate Change Conference in Dubai wraps up, Democratic lawmakers and clean-air advocates are calling on the Environmental Protection Agency to release strict rules on emissions from heavy-duty trucks.

The agency is expected to act in the next few months. U.S. Sen Alex Padilla - D-CA - said big rigs using diesel fuel are choking the air with smog and soot, especially in Black and brown communities close to major freeways.

"Despite only 10% of the vehicles on the road being heavy-duty vehicles, they produce over a quarter of the transportation sectors' greenhouse gas emissions, and over half of all particulate matter," said Padilla. "This has to be a priority area for the EPA and for all of us."

Padilla said he would like the feds to adopt rules similar to a deal struck between industry and regulators in California. Last year, the state required newer model engines on diesel trucks weighing more than 14,000 pounds.

In January, companies will have to start disclosing their use of these types of trucks. And in 2036, it becomes illegal to sell new diesel buses or heavy-duty trucks in California.

Trucking companies say a national standard would be very costly and impractical since the U.S. lacks a national charging network.

Bill Magavern is policy director for the Coalition for Clean Air.

"We have solutions," said Magavern. "And we need leadership to accelerate the deployment of that zero-emission technology onto our roads because it's human beings who are being hurt by the pollution coming from diesel trucks, and it's also affecting our entire climate."

California's first heavy-duty electrical vehicle charging port is up and running in Long Beach, with more set to open soon in Bakersfield, Gardena and San Bernardino.




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Indiana residents now have a new way to track pollution from coal plants across the state.

The Sierra Club's new online national dashboard shows how rollbacks of federal pollution rules could increase harmful emissions from Indiana's dozen coal plants.

Robyn Skuya-Boss, director of the Hoosier Chapter of the Sierra Club, said the data highlights risks for both rural and urban communities.

"Whether you're living in a larger city or in a small community, you could be being impacted," Skuya-Boss pointed out. "Some of the worst air quality in the nation is located in southern Indiana because there's such a high concentration of super-polluting coal plants."

The dashboard allows users to zoom in on specific plants and track pollutants like mercury, sulfur dioxide and nitrous oxide. Utilities and state officials said they follow current environmental laws and balancing energy needs and emissions limits can be complex.

Skuya-Boss stressed Indiana families deserve to know when air pollution may threaten their health.

"I think when people are tuned into those bad air quality days, what you start to see is that you can kind of get a sense of how impacted your community is by air pollution issues," Skuya-Boss observed.

Environmental groups said the dashboard also gives Hoosiers a tool to demand stronger action from state regulators and lawmakers.

Air pollution in Washington is getting worse, according to a new report citing transportation emissions as the primary culprit.

Eight of the 12 Washington counties surveyed received an "F" grade for particle pollution, including King and Pierce counties. Yakima and Seattle ranked the eighth- and ninth-worst cities in the country.

Transportation emissions account for nearly a quarter of total air pollution and about 40% of Washington's greenhouse gas emissions.

Laura Kate Bender, assistant vice president of nationwide healthy air for the American Lung Association, said more Americans live in polluted areas now than any time within the last 10 years.

"After decades of progress to clean up the air from policies under the Clean Air Act, we're now starting to see an uptick in pollution levels once again," Bender pointed out. "It shows that we really need to double down on protections that are limiting emissions from vehicles, not roll them back."

Congressional Republicans just voted to rescind the federal waivers that allow California to set emissions standards for vehicles that are stricter than national ones, arguing the rules hurt consumers and the trucking industry.

The report marked the seventh straight year of an increasing health threat from particle pollution nationwide. Particulate matter is a mixture of tiny solids or liquid droplets suspended in air. Small particles can lodge deep in the lungs and cause health problems, including cancer and asthma attacks. Bender added smoke from wildfires, driven by climate change, adds to the problem.

"Those conditions are being made worse by changing temperatures," Bender noted. "Climate change means more extreme heat, and more extreme heat can lead to more ozone pollution, and those are both results that show up in this year's report."

Congressional Republicans are considering revoking the federal tax credit of up to $7,500 for new electric vehicle purchases. The House infrastructure committee is also debating new registration fees which would charge people who drive electric cars more than those who drive gas-powered vehicles.


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California has some of the dirtiest air in the nation, according to the American Lung Association's new State of the Air report.

Researchers looked at ozone pollution and both short and long-term particle pollution. Thirteen counties got an "F" grade in all three categories. Pollution in the counties mainly came from vehicle emissions and smoke from wildfires.

Laura Kate Bender, assistant vice president of nationwide healthy air for the American Lung Association, said climate change is contributing to the counties' poor air quality.

"Those conditions are being made worse by changing temperatures," Bender pointed out. "Climate change means more extreme heat, and more extreme heat can lead to more ozone pollution, and those are both results that show up in this year's report."

Five of the seven counties with the most yearly air pollution in the nation are in California. The three most polluting counties are in the Central Valley, with Los Angeles County and the Bay Area not far behind. Republicans in the U.S. House of Representatives just voted to rescind the federal waivers allowing California to set strict emissions standards for vehicles, arguing the rules hurt consumers and the trucking industry.

The report also found 46% of Americans live in places getting failing grades for unhealthy levels of ozone or particle pollution. Bender stressed more Americans live in polluted areas now than any time within the last 10 years.

"After decades of progress to clean up the air from policies under the Clean Air Act, we're now starting to see an uptick in pollution levels once again, and it shows that we really need to double down on protections that are limiting emissions from vehicles, not roll them back."

The House infrastructure committee is also considering highway funding fees to charge people who drive an electric car more than those who own a gas-powered vehicle.


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