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DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus

Green Car Congress

Impact of a reduction in initial ice crystal number, as may be caused by reduced soot emissions, on global contrail cirrus properties. In our theoretical estimates, we found that a significant reduction in soot emissions is required to reduce the climate impact of contrails effectively. —Ulrike Burkhardt.

Climate 278
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CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

Green Car Congress

Clean fuels replaced more than 50% of the diesel used in the state in the first quarter of 2023, according to the California Air Resources Board (CARB). This figure provides perspective on the performance of actual quantities of fuel consumed in California. Since compliance began, the program has helped to replace more than 8.6

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CARB approves 2022 Scoping Plan; aggressive targets for reductions in petroleum use, air pollution and greeenhouse gas emissions

Green Car Congress

The California Air Resources Board last week approved the final proposed 2022 Scoping Plan ( earlier post ), a roadmap to reduce demand for petroleum by 94%, cut air pollution by 71%, reduce greenhouse gas emissions 85%, and reach carbon neutrality by 2045.

Pollution 304
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California Energy Commission awards nearly $2M to support alternative fuel production and vehicles

Green Car Congress

The California Energy Commission unanimously approved funding of $1,974,330 for the expansion and upgrade of a biodiesel production facility and buy-downs of alternative-fuel vehicles. The buy-down incentives help to pay the difference between alternative-fuel vehicles and conventional vehicles. Yokayo Biofuels, Inc.

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CARB certifies ROUSH CleanTech’s Gen 5 propane engine for Blue Bird school buses to ultra-low NOx standards

Green Car Congress

ROUSH CleanTech is the first original equipment manufacturer to receive California Air Resources Board’s (CARB’s) 0.02 The optional ultra-low CARB certification is 90% cleaner than current emissions standards for nitrogen oxides. The certification is part of a proposed federal emissions regulation that goes into effect in 2027.

Engine 186
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Study suggests China urban passenger transport emissions could peak in 2030

Green Car Congress

A team of researchers in China suggest that, in the context of promoting the use of clean fuel vehicles and increasing vehicle fuel efficiency, CO 2 emissions of China’s urban passenger transport sector could reach a peak of 225 MtCO 2 in 2030. Shifting to the alternative fuels also plays an important role.

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CARB moves forward with third-party verification for Low Carbon Fuel Standard

Green Car Congress

California’s Low Carbon Fuel Standard (LCFS) has supported an innovative revolution in alternative fuels. Those fuels have replaced more than 2.5 billion gallons of petroleum fuel in the past 12 months, providing Californians with cleaner alternatives. —CARB Executive Officer Richard Corey.

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