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Proterra Catalyst
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<p>The Proterra Catalyst is a <a href="/facts/Battery_electric_bus/Y95IhpCn">battery-electric</a> <a href="/facts/Low-floor_bus/Sx7BasBX">low-floor</a> <a href="/facts/Transit_bus/hmbA4aR2">transit bus</a> that was built by <a href="/facts/Proterra_(bus_manufacturer)/LLMj4APL">Proterra</a> from 2014 to 2020. The second generation of Proterra's battery-electric buses, it succeeded the earlier <a href="/facts/Proterra_EcoRide/xEz0YszN">EcoRide</a> as the company's flagship product. </p>