Uploaded February 2023 | Updated September 2026, 2 hours ago
Trains have always offered greater energy efficiency than air or highway travel. New technologies, however, offer the possibility of even greater efficiency, and with net-zero carbon emissions. The three main new options are powering trains with hydrogen fuel cells, batteries, or electrified lines. We hear from experts at Deutsche Bahn about these technologies, and which work best in different contexts.
Trains have always offered greater energy efficiency than air or highway travel. New technologies, however, offer the possibility of even greater efficiency, and with net-zero carbon emissions. The three main new options are powering trains with hydrogen fuel cells, batteries, or electrified lines. We hear from experts at Deutsche Bahn about these technologies, and which work best in different contexts.
