article thumbnail

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 ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

Exhaust 539
article thumbnail

EPA: US GHG emissions up 6% in 2021 from 2020

Green Car Congress

The US Environmental Protection Agency (EPA) released its 30 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2021. In 2021, US greenhouse gas emissions totaled 6,340.2 GHG emissions by economic sector.

EPA 259
article thumbnail

CSIRO finds hydrogen could reduce aviation emissions within 5 years

Green Car Congress

A new report from Australia’s national science agency CSIRO shows that clean hydrogen can significantly reduce aviation emissions with potential benefits seen within five years. Hydrogen used for treating crude or bio-crude oil to produce jet fuel with a lower carbon intensity is also considered as an early-stage application.

Hydrogen 476
article thumbnail

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. Fuels: the energy source used to power vehicles and the facilities that produce them.

Pollution 304
article thumbnail

ICCT study examines current & projected use of heavy fuel oil in Arctic shipping; growth in BC emissions points to need for policies

Green Car Congress

A new study by the International Council on Clean Transportation (ICCT) estimates heavy fuel oil (HFO) use, HFO carriage, the use and carriage of other fuels, black carbon (BC) emissions, and emissions of other air and climate pollutants for the year 2015, with projections to 2020 and 2025. Click to enlarge.

Oil 283
article thumbnail

Shell introduces new lifecycle approach to cut carbon footprint of aviation lubricants

Green Car Congress

Shell Aviation has introduced a new lifecycle sustainability approach for its AeroShell aviation lubricants to avoid, reduce and then compensate for lifecycle carbon emissions, improving aircraft performance while helping customers meet their net-zero greenhouse gas (GHG) or carbon emissions ambitions.

Carbon 284
article thumbnail

Assessment of US CAFE fuel economy standards finds big savings on fuel and emissions since inception

Green Car Congress

In one of the first comprehensive assessments of the fuel economy standards in the United States, researchers from Princeton University and the University of Tennessee found that, over their 40-year history, the standards helped reduce reliance on foreign oil producers, cut greenhouse gas emissions, and saved consumers money.