Dibble was elected to the
Minnesota Senate in
2002, and reelected in
2006,
2010,
2012,
2016,
2020, and
2022. Dibble has served as chair of the Transportation Finance and Policy Committee since 2023. He also sits on the Capital Investment, the Energy, Utilities, and Climate, and the Taxes Committees.
The environment Dibble has served as chief author or as a lead negotiator on energy efficiency standards, implementing a renewable energy standard, establishing a carbon dioxide reduction mandate, instituting the nation's most stringent mercury emission reduction requirements for coal-fired energy, the first legislation in the country on hybrid plug in electric cars, and programs to aid the construction of green buildings and assist local governments in building more energy-efficient facilities. He helped author and served on the Green Jobs Task Force charged with developing a comprehensive economic development policy to shape Minnesota's participation in the
green economy.
Medical cannabis In 2014, Dibble was the chief author of a bill that allowed limited use of
medical cannabis for patients who have debilitating or terminal illnesses. He has also worked to legalize cannabis for recreational use.
Transportation Dibble continues to be the DFL leader in the Minnesota Senate on legislation relating to transportation and transit, energy efficiency, the environment, housing and economic development. ==Personal life==