Green Car Congress
NOVEMBER 18, 2021
The HD Omnibus rules strengthen nitrogen oxides and fine particulate matter (PM 2.5 ) emission standards for new truck engines (both diesel and non-diesel engines), in addition to other requirements for these engines.
Cars That Think
SEPTEMBER 22, 2021
Portland, Ore., Ionization can itself create ozone. The state of California has banned such ozone generators entirely. a specific standard of efficiency based on its rating , but this is often combined with unproven UV light, ionization, and ozone technologies that vaguely claim to catch toxins and kill pathogens, even COVID-19.
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