This is a preview. Log in through your library . Abstract A completely passive cold-start emissions control system, without any secondary air source, was developed to reduce cold start hydrocarbon (HC ...

EHC heating patterns which utilize zones covering less than the available inlet face cross-sectional area have been evaluated for cold-start FTP performance. Both NMHC and CO cold-start emission ...

The results show that cold starts are challenging, especially for diesel-powered vehicles under cold winter conditions. During the measurement campaign conducted in Finland, outdoor temperatures ...

The European Union Council of Ministers (environment) has approved the expansion of the European directive setting emission limits for vehicles undertaking cold starts, to include certain classes of ...

The researchers focused on vehicle fuel consumption and emissions under cold winter conditions. Of particular interest were cold start emissions and their relation to preheating. The results show that ...

A very cold start to 2025 and the growing power demands of data centres and cryptocurrencies saw US emissions of planet-warming gases rise for the first time in three years, a new analysis shows. Last ...

Washington, DC, 20 December 2021 — A new study carried out by researchers from the International Council on Clean Transportation (ICCT) with testing partner HORIBA India is among the first to quantify ...