Buses running on compressed natural gas (CNG) emitted more carbon than the diesel bus fleet in trials last year, according to a newly published report.
The findings could call into question the role of CNG vehicles in a low-carbon transport future.
The report, prepared for the Department of Transport, Tourism and Sport by Byrne Ó Cléirigh consultants, examined trials carried out in April last year. The National Development Plan committed to buying no more diesel-only...
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