Despite setbacks caused by COVID-19, AC Transit expects to meet its 2023 goals to convert 10% of its bus fleet to zero emission vehicles. The California Air Resources Board enacted a regulation in 2018 that requires all public transit agencies to transition from diesel fuel to 100% zero‑emission bus fleets by the end of 2040. AC Transit set an internal goal of converting 10% of its 630 buses to zero emission technology by the end of this year, said spokesperson…