The HVUT, or Heavy Vehicle Use Tax, is a once a year tax paid by truck drivers or owners of trucking companies. It applies to drivers operating large vehicles on our nation's highway, and ranks money goes towards maintaining roads, alleviating congestion, keeping the roads safe, and funding new creations. Because of this increasing tax rate of upper brackets, a reduction of taxable income attending a higher bracket saves you more tax than the same reduction to a lower class. So let's compare ...