Relating to driving while under the influence of intoxicants.

Expands offense of driving while under influence of intoxicants to include any substance that, when taken into human body, can impair the ability of person to operate vehicle safely. Defines "intoxicant" for purposes of Oregon Vehicle Code. Provides for affirmative defense. Decreases fines for driving while under the influence of intoxicants while riding bicycle. Eliminates driving privilege suspension imposed for driving while under the influence of intoxicants while riding bicycle. Expands eligibility to participate in diversion program when defendant previously participated in treatment as juvenile or as parent or guardian pursuant to juvenile court order. Permits conviction of driving while under influence of intoxicants even if accusatory instrument does not plead fact that person was under influence of controlled substance or inhalant. ] Provides that once individual is convicted of felony driving while under influence of intoxicants, any subsequent episode of driving while under influence of intoxicants is Class C felony regardless of amount of time that intervenes between offenses. ].