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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.

Exhaust 539
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Australia introduces its first exhaust rule but makes all the mistakes the US did

Baua Electric

But that proposal was watered down by automaker lobbying (which we’ve seen a lot of recently ), primarily through exceptions added for huge SUVs. Higher limits would make sense for vehicles that are doing commercial work, like last-mile delivery, but picking the kids up from footy practice isn’t really a “commercial” task.

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SpaceX’s latest Falcon Heavy launch captured from a rare perspective

Teslarati

A twilight liftoff emphasized and lit up the rocket’s miles-long exhaust plume against a darkening sky, producing a show that – while familiar – was still exceptional. Pilot friend of mine captured the Falcon Heavy launch from 35,000ft 500 miles off the coast! What an insane shot!

Florida 135
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Ramming Speed: Meet the 2025 Ram RHO

The Truth About Cars

seconds, with the quarter-mile vanishing in 13.1 seconds at 105 miles. Ram claims a water-fording depth of up to 32 inches. Since Ram envisions RHO owners playing in nature's sandbox, there's a hood duct that is setup to drain water and filter out debris. Under the RHO's hood is a 3.0-liter

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New 2020 Ram 1500 EcoDiesel 4x2 pickup EPA-rated at 32 mpg highway in US; new 3.0L EcoDiesel

Green Car Congress

The half-ton EcoDiesel will be rated at 32 miles per gallon (mpg) highway, 22 mpg city for 4x2 models; 29 mpg highway, 21 mpg city for 4x4 models. Paired with an available 33-gallon fuel tank, Ram’s driving range exceeds 1,000 miles. 1, which helps reduce exhaust emissions, particularly NO x. liter V-6 EcoDiesel engine.

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2021 Jeep Gladiator available with 3rd generation 3.0L EcoDiesel

Green Car Congress

Several significant changes contribute to the new EcoDiesel’s improved dynamic and fuel economy performance: A new-generation water-cooled turbocharger with variable geometry turbine (VGT) and low-friction bearing increases efficiency and responsiveness during transient conditions.

Jeep 269
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NASA begins ACCESS flight research to study effects of biojet fuels on engine performance, emissions and contrails

Green Car Congress

The Alternative Fuel Effects on Contrails and Cruise EmiSSions (ACCESS) research involves flying the DC-8 as high as 40,000 feet while an instrumented NASA Falcon HU-25 aircraft trails behind at distances ranging from 300 feet to more than 10 miles. The flight campaign began 28 Feb. and is expected to take as long as three weeks to complete.

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