Auxiliary Power Units (APUs) are often used by truck drivers to reduce fuel use since they decrease the need for trucks to run engines on idle while they’re parked. But seeing as they commonly weigh several hundred pounds, they may create a problem for drivers who habitually carry close to the maximum weight limits. With the president’s most recent expansion of the MAP-21 bill dealing with state-by-state APU regulations, this may be puzzling to drivers that cross state lines.
Below we’ve positioned a guide, compiled by vehicle tracking software company Track Your Truck, which informs drivers exactly how much weight is exempt in every state.
Check it out: