Those figures were mostly proven bogus by reality, as plans with no knowledge of conditions on the ground failed when confronted with the wildly variableconditions of soil, weather and pests that farmers had spent a lifetime learning to cope with.
To combat variable ambient light conditions that can affect image visibility, manufacturers have the option of integrating ambient light sensor readings into the CAIC and LABB algorithms.
Meanwhile his ministerial colleague Charles Hendry said the energy watchdog Ofgem had announced that variable tariffs offered by energy providers must meet certain conditions to offer "greater clarity for consumers".
Electronic signs will also be mounted on verges and gantries displaying variable mandatory speed limits and information to warn motorists about incidents, lane closures or conditions ahead.