MO HB664

Creates tax credits for purchasing or converting vehicles to run on alternative fuels (electricity, liquefied petroleum gas, natural gas, or compressed natural gas) for vehicles placed in service between July 1, 2015 and January 1, 2018

Credit amounts vary by vehicle weight: $5,000 for vehicles 2,000-10,000 lbs, $7,000 for vehicles 10,000-26,000 lbs, and $20,000 for vehicles 26,000 lbs or more

Caps individual taxpayer credits at $100,000 through March 31 of each fiscal year, with unused credits available to any taxpayer after April 1; total annual cap of $1 million combined with existing alternative fuel infrastructure credits

Credits are non-refundable but may be carried forward for up to 10 subsequent tax years; credits cannot be transferred, sold, or assigned

Allows qualified alternative fuel vehicles to exceed standard gross vehicle and axle weight limits by 2,000 pounds