Philadelphia's SEPTA to retire last diesel-only bus in step toward cleaner, greener future

PHILADELPHIA (WPVI) -- SEPTA is taking another step towards a cleaner, greener future as it retires its last traditional diesel-only bus.

The transit agency has transitioned its more than 1,400 bus fleet to more efficient hybrid vehicles.

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SEPTA is also preparing to test fuel-cell electric buses later this year.

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