8. Glossary – Definitions

Biogas

Raw gas resulting from the fermentation of organic waste, whose composition can vary widely.

Biomethane

Biogas purified to the minimum quality required for injection into the natural gas network.

Close-Coupled

The positioning of an aftertreatment system as close as possible to the engine to limit heat loss, rather than under the vehicle floor.

OBD (On Board Diagnostic )

On-board system (hardware and software) to monitor the correct operation of all processes involved in controlling exhaust pollutant emissions.

Lean burn

Combustion in which the mass quantity of air consumed is greater than the quantity corresponding to stoichiometry: in this case, we speak of...

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Bibliography

(1) - UNION EUROPÉENNE - Bilan Auto-Oil. - (2000).
(2) - COMMISSION EUROPÉENNE - Communiqué de presse. IP-14-440_EN.pdf, 15 avr. 2014.
(3) - NGVA Europe -...

Websites

http://www.ifpenergiesnouvelles.fr/

http://www.cedigaz.org/

http://www.afgnv.info/

http://www.iangv.org/

Standards and norms

Natural gas – Natural gas for use as compressed fuel for vehicles – Part 1: Quality designation - NF EN ISO 15403-1 - 03-08
Natural gas – Compression factor calculation – Part 1: Introduction and guidelines - NF EN ISO 12213-1 - 12-09
Natural gas – Compression factor calculation – Part 2: calculation based on molar composition analysis - NF EN ISO 12213-2 - 12-09
Natural gas – Compression factor...

Regulations

All these documents can be viewed and downloaded online at http://www.eur-lex.europa.eu

• RED (Renewable Energy Directive): Directive 2009/28/EC of the European Parliament and of the Council of April 23, 2009 on the promotion of the use of energy from renewable sources and amending and repealing Directives 2001/77/EC and 2003/30/EC....