Japan’s Honda and Isuzu Motors said they would jointly research the use of hydrogen fuel cells to power heavy-duty trucks, looking to expand fuel cell use by applying the zero-emission technology to larger vehicles.

Asian stock markets headed lower today as investors turned cautious before US earnings season kicks off this week.

Isuzu Motors will cut all of its temporary and part-time manufacturing workers, the latest of Japan’s carmakers to scale back production as overseas demand fades.

General Motors Corp has no plans to merge Adam Opel AG with GM's Zurich-based European headquarters, GM Europe head Robert Lutz has said in a pre-release of an interview with weekly German newspaper WirtschaftsWoche.