# The Fuel-testing Pilot Projects (Biogas Project) Regulations 2006, Regulation 2: Interpretation


In these Regulations—
“biogas” means a natural road fuel gas within the meaning of section 5 of the Hydrocarbon Oil Duties Act 1979 consisting as a carbon neutral liquid gas of 96% methane (CH4) and not less than 3.75% nitrogen and containing minor trace elements;
“the project” means the project described in the Schedule to these Regulations.

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Source: https://www.legislation.gov.uk/uksi/2006/1348/regulation/2 (the official version)
Page: https://openlegislation.uk/fuel-testing-pilot-projects-biogas-project-regulations-2006/regulation-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.