UK government statements used to be 'not until the majority of drivers
have been educated in metric'. This implied 51% criterion might have
allowed it to happen before 2009. But now it appears to be saying 'not
until there is no longer a significant minority for whom the change will
be confusing'. This implies that 51% is not a sufficiently high figure.
What do speedometers in the UK on new cars indicate?
cm
