IMPROVED ELECTRONIC DISTANCE RECORDER

An electronic distance recorder configured to be coupled to a wheel hub of a vehicle, the electronic distance recorder comprising: means for determining distance travelled by the vehicle; means for storing a current vehicle odometer value; means for accruing the current vehicle odometer value based on the distance travelled by the vehicle; a receiver for receiving license data representative of a vehicle license issued for the vehicle; and an electronic display configured to display an indication of the validity of the vehicle license. Vehicle information recorders, communication devices and power generators are also disclosed.