Whisky-based Biogas

Scotch whisky maker Glenfiddich has begun converting its delivery trucks to run on low-emission biogas made from waste products from its own whisky distilling process as part of a "closed loop" sustainability initiative, it said on Tuesday.

Scotch whisky maker Glenfiddich has begun converting its delivery trucks to run on low-emission biogas made from waste products from its own whisky distilling process as part of a "closed loop" sustainability initiative, it said on Tuesday.