Cleaner and Quieter Vehicles and Cleaner Fuels

In-service vehicle testing programme

Research report on the in-service emissions testing of light duty passenger vehicles.

Emission factors 2003 final report

Emissions Factors for Euro 2 and 3 light goods vehicles, Euro II and III heavy goods vehicles, buses and coaches, alternatively fuelled/new technology vehicles, and a Euro 3 London taxi.

Harmonise prediction model for road traffic noise

The project Harmonise (Harmonised, Accurate and Reliable Methods for the European Directive On the Assessment and Management of Environmental NOISE) was designed to fulfil the requirements of European Directive 2002/49/EC.

An examination of vehicle noise test procedures

This document examines the technical issues associated with the range of test procedures that could be considered for future vehicle noise testing.

Emissions factors for Euro II and III diesel light goods vehicles

The document contains an analysis of measured emissions factors for 'Euro II and III' diesel light goods vehicles and their incorporation into the National Atmospheric Emissions Inventory.

Effects of Emerging Vehicle Technologies on emissions not currently regulated

This document analyses data emissions obtained by testing four cars that have used different types of new exhaust after treatment technologies. The analysis focuses on data from vehicle emissions not currently regulated.

Euro 3 LPG Retrofit Emissions Factor Testing

A report prepared for the Department for Transport by Tickford Powertrain Test Limited comparing the emissions factors of vehicles running on petrol and on Liquefied Petroleum Gas.

Emissions factors for Euro III cars

The document reports the results of an analysis of emissions test data for 'Euro III' standard cars to generate speed emission factor relationships for use in modelling emissions.

Published:

14 December 2005

Liquid Biofuels and Renewable Hydrogen to 2050

An assessment of the long-term energy implications of the large-scale use of renewable hydrogen and biomass-based fuels in road transport, as identified in the UK's 2003 Energy White Paper. Published July 20 2004.

Published:

27 June 2005

DfT biofuels evaluation of emissions performance from vegetable oil fuel (2 Mb)

This report presents the test results from a test programme to evaluate emissions performance of two light duty diesel vehicles run on vegetable oil.

Published:

27 June 2005

Economics of Bus Drivelines

This report presents the findings of the likely capital cost of drive-lines components and its impact on pollutants during inner city operation.

Published:

27 June 2005

International resource costs of biodiesel and bioethanol

This report examines the range of feedstocks, processing routes and distribution options for biodiesel and bioethanol in both 2002 and 2020, including where intermediate products are imported to and processed in the UK.

Published:

26 January 2006

Platinum and hydrogen for fuel cell vehicles

This independent report presents a short study on hydrogen and fuel cells focusing on the key issues of likely future platinum availability and cost, hydrogen resource costs and atmospheric impacts of hydrogen.

Published:

26 January 2006

On Board Emissions Measurement System Research Report (2 Mb)

The report assesses the feasibility of performing in service exhaust emission tests on heavy-duty trucks and buses.

Published:

27 June 2005

Fuelling road transport: implications for energy policy (680 kb)

Published:

27 June 2005

'Carbon to Hydrogen' Roadmaps for passenger cars - Update

An update on the study of the evolution of low-carbon technology. The study looked at options to further reduce CO2 emissions in passenger cars, by improvements in vehicle technology and its interaction with new fuels.

Published:

25 October 2005

"Carbon to hydrogen" roadmaps for passenger cars (9 Mb)

This report was carried out for the Department for Transport and the Department of Trade and Industry. It looks at options for further reductions in CO2 emissions from passenger cars.

Published:

27 June 2005

Motorcycle exhaust emissions factors and test cycles programme - final report (7 Mb)

This reports describes the assessment of performance and exhaust emissions for motorcycles over three different emission drive cycles.

Published:

26 October 2007

Last update:

22 October 2008

Tyre/road noise - Assessment of the existing and proposed tyre noise limits

Report of the effects that lowering EU vehicle tyre noise limit values would have on actual levels of traffic noise in the community as well as examining possible effects on tyre safety, rolling resistance and economy.