The diesel locomotive was used for emergency transport ... I would like to give a big thanks to the DD51 for its many years of service, which were marked by many ups and downs.

China's first batch of hybrid diesel locomotives has been delivered, according to a report in the Science and Technology ...

California's efforts to limit pollution from diesel-powered trains and big rigs were stalled in anticipation ... implement stricter emissions rules for locomotives and semi-trucks because the ...

(File photo by Martin do Nascimento/CalMatters) California’s efforts to limit pollution from diesel-powered trains and big rigs were ... emissions rules for locomotives and semi-trucks because ...

(AP) — California’s efforts to limit pollution from diesel-powered trains and big rigs were stalled in ... implement stricter emissions rules for locomotives and semi-trucks because the ...