article thumbnail

Study finds lead from leaded gasoline persists in London air despite ‘90s ban

Green Car Congress

Lead levels in London’s atmosphere have dropped significantly since lead additives in gasoline were phased out, and currently meet UK air quality targets. The study, led by researchers from Imperial College London, found that up to 40% of lead in airborne particles today comes from the legacy of leaded gasoline.

London 295
article thumbnail

HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.

Emissions 353
article thumbnail

Mayor of London launches international study on effect of air pollution on children’s health: CHILL

Green Car Congress

More 3,000 primary school children in polluted areas of London and Luton will have their lung health monitored over a four-year period in a new international study launched by the Mayor of London, Sadiq Khan. —Lead researcher Professor Chris Griffiths from Queen Mary University of London.

London 268
article thumbnail

U Birmingham study finds DPFs have limited impact on ultrafine particle emissions

Green Car Congress

A study by researchers at the University of Birmingham in the UK has found that while Diesel Oxidation Catalysts (DOCs) and Diesel Particle Filters (DPFs) has been very effective in controlling the tailpipe emissions of solid particles, there has been little change in the liquid mode ( 104 cm −3 /24-hour mean) defined by WHO. 2023.107888

Emissions 210
article thumbnail

Two new studies of road air pollution in London find detrimental effects on over-60s and unborn babies

Green Car Congress

Exposure to air pollution on city streets is enough to counter the beneficial health effects of exercise in adults over 60, according to new research led by Imperial College London and Duke University. This open-access paper is published in The BMJ. The over-60s.

London 150
article thumbnail

Study suggests particulates from brake dust may have same harmful effects on immune cells as diesel exhaust

Green Car Congress

Metal particles from the abrasion of brake pads (brake abrasion dust, BAD) may cause inflammation and reduce the ability of immune cells to kill bacteria, similarly to particles derived from diesel exhaust particles (DEP), according to a new study led by researchers at King’s College London. Selley et al.

Exhaust 348
article thumbnail

Baker Institute report: China has positioned itself as a gatekeeper to the energy transition; nickel case study

Green Car Congress

The report notes that on 8 March 2022, the London Metals Exchange (LME) abruptly halted trading in nickel, which had reached $100,000 per tonne. In our report and case study we examine tensions in nickel supply and value chains within the context of broad aspirations to electrify transport. Global Nickel Trade and Chinese Dominance.

China 416