Was reading the page about the Ultra Low Emissions Zone in London on the TfL site: http://www.tfl.gov.uk/modes/driving/ultra-low-emission-zone?intcmp=26434#on-this-page-2
It says that 'all single decker buses will be zero emission (at the point of use)'. What technology is that? Electricity?
It says that 'all single decker buses will be zero emission (at the point of use)'. What technology is that? Electricity?