# Ohio — Vehicle emissions testing: which counties require it, in which states For Ohio, how often is biennial inspection for the enhanced vehicle inspection and maintenance program; vehicles covered / exempt is disputed: each twenty-five year-old or more recent motor vehicle whose owner or lessee resides in a county that is part of a designated program area per codes.ohio.gov, Provides for a new car exemption for motor vehicles six years old or newer and provides that a new motor vehicle is exempt for six years regardless of whether legal title to the motor vehicle is transferred during that period; (4) Provides for an exemption for battery electric motor vehicles; (5) Provides for an exemption for hybrid motor vehicles seven years old or newer per codes.ohio.gov; program / authority is disputed: motor vehicle inspection and maintenance program per codes.ohio.gov, decentralized motor vehicle inspection and maintenance program per codes.ohio.gov, verified against its source on 2026-09-22. - **State:** Ohio _(our reading, not quoted from the source)_ - **How often:** biennial inspection for the enhanced vehicle inspection and maintenance program _(verified: appears in the quote below)_ - **Vehicles covered / exempt:** each twenty-five year-old or more recent motor vehicle whose owner or lessee resides in a county that is part of a designated program area _(per codes.ohio.gov; the source states this two ways — see below)_ - **Program / authority:** motor vehicle inspection and maintenance program _(per codes.ohio.gov; the source states this two ways — see below)_ - **Recent or pending change:** a contract with a vendor to operate a decentralized motor vehicle inspection and maintenance program in each county in this state in which such a program is federally mandated through June 30, 2027. _(per codes.ohio.gov, not stated by the source above)_ ## What the source says > each twenty-five year-old or more recent motor vehicle whose owner or lessee resides in a county that is part of a designated program area, and each twenty-five year-old or more recent motor vehicle that is part of a fleet operated in a county that is part of a designated program area, is subject to biennial inspection for the enhanced vehicle inspection and maintenance program. ## The source states this two ways The same publisher states this differently in more than one place. Each version is reproduced with the page it came from. ### Vehicles covered / exempt codes.ohio.gov says vehicles covered / exempt is **each twenty-five year-old or more recent motor vehicle whose owner or lessee resides in a county that is part of a designated program area**, as of 2026-09-22. > each twenty-five year-old or more recent motor vehicle whose owner or lessee resides in a county that is part of a designated program area, and each twenty-five year-old or more recent motor vehicle that is part of a fleet operated in a county that is part of a designated program area, is subject to biennial inspection for the enhanced vehicle inspection and maintenance program. Source: https://codes.ohio.gov/ohio-administrative-code/rule-3745-26-12 codes.ohio.gov says vehicles covered / exempt is **Provides for a new car exemption for motor vehicles six years old or newer and provides that a new motor vehicle is exempt for six years regardless of whether legal title to the motor vehicle is transferred during that period; (4) Provides for an exemption for battery electric motor vehicles; (5) Provides for an exemption for hybrid motor vehicles seven years old or newer**, as of 2026-08-24. > (3) Provides for a new car exemption for motor vehicles six years old or newer and provides that a new motor vehicle is exempt for six years regardless of whether legal title to the motor vehicle is transferred during that period; (4) Provides for an exemption for battery electric motor vehicles; (5) Provides for an exemption for hybrid motor vehicles seven years old or newer Source: https://codes.ohio.gov/ohio-revised-code/section-3704.14 ### Program / authority codes.ohio.gov says program / authority is **motor vehicle inspection and maintenance program**, as of 2026-09-22. > each twenty-five year-old or more recent motor vehicle whose owner or lessee resides in a county that is part of a designated program area, and each twenty-five year-old or more recent motor vehicle that is part of a fleet operated in a county that is part of a designated program area, is subject to biennial inspection for the enhanced vehicle inspection and maintenance program. Source: https://codes.ohio.gov/ohio-administrative-code/rule-3745-26-12 codes.ohio.gov says program / authority is **decentralized motor vehicle inspection and maintenance program**, as of 2026-08-24. > (3) Provides for a new car exemption for motor vehicles six years old or newer and provides that a new motor vehicle is exempt for six years regardless of whether legal title to the motor vehicle is transferred during that period; (4) Provides for an exemption for battery electric motor vehicles; (5) Provides for an exemption for hybrid motor vehicles seven years old or newer Source: https://codes.ohio.gov/ohio-revised-code/section-3704.14 codes.ohio.gov says program / authority is **decentralized motor vehicle inspection and maintenance program**, as of 2026-08-24. > the director of environmental protection shall request the director of administrative services to enter into a contract with a vendor to operate a decentralized motor vehicle inspection and maintenance program in each county in this state in which such a program is federally mandated through June 30, 2027. Source: https://codes.ohio.gov/ohio-revised-code/section-3704.14 ## Source - https://codes.ohio.gov/ohio-administrative-code/rule-3745-26-12 - https://codes.ohio.gov/ohio-revised-code/section-3704.14 Last verified: 2026-09-22. Review by: 2027-08-24. Part of [Vehicle emissions testing: which counties require it, in which states](https://referencesource.org/vehicle-emissions-testing-by-state/).