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Zero emission buses are worth reaching for, but emission performance standards are the low-hanging fruit

Sales of battery electric buses (BEBs) are surging in major cities around the world. Los Angeles, California committed to shift its 2,200 bus fleet to zero-emission buses (including BEBs) by 2030,...Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate...
Published 2017.11.16: Blog Post

Effect of P-8 standards on bus system costs in Brazil

Brazil has controlled harmful pollutant emissions from heavy-duty vehicles (HDVs), including trucks and buses, through a series of progressively more stringent vehicle emissions standards put in...
Published 2017.04.14: Publication

Urban off-cycle NOx emissions from Euro IV/V trucks and buses

Despite meeting more stringent regulatory standards for exhaust emissions during type approval, many Euro IV and Euro V heavy-duty vehicles equipped with selective catalytic reduction (SCR) systems...
Published 2012.04.10: Publication