Status report on the ECORYS-TRL investigation into the prospects for direct referencing of UN Regulations and GTR in the European Union Regulation on environmental and propulsion performance requirements (REPPR).

Published report by TRL/ECORYS under a contract from the European Commission to assess the expected impact (cost/benefit) of the proposals for global technical regulations to address fuel-efficiency, emissions, and related performance characteristics of motorcycles and related L-category vehicles.