UN Regulation No. 143: Heavy-Duty Dual Fuel Retrofit Systems

Uniform provisions concerning the approval of Heavy Duty Dual-Fuel Engine Retrofit Systems (HDDF-ERS) to be installed on heavy duty diesel engines and vehicles

Related groups: GFV, GRPE, and HDDF
UN R143 | 00 series of amendments (2017)
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UN R143 | 00 series of amendments | Supplement 1 (2018)
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