![]() ![]() The LCA simulations demonstrate that life-cycle emissions of GHGs, VOCs, NO x, and black carbon associated with electric buses are lower than conventional diesel and diesel hybrid buses. We used life-cycle assessment (LCA) and life-cycle cost analysis (LCCA) to evaluate the environmental sustainability of electric buses and compared it to diesel buses. The Houston METRO system that operates public buses is a key element of Houston’s infrastructures that could reduce the emissions of criteria air pollutants (CAPs) and greenhouse gases (GHGs), thus improving the regional air quality. In the Greater Houston Area, mobile sources contribute to the highest share of NO x emissions and the second-highest share of VOC emissions. ![]()
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