Friday, June 6

• Fundraiser for Democratic candidate for lieutenant governor Leticia Van de Putte; 118 W. Jefferson Blvd., Dallas (6-7:30 p.m.)
• Texas Regional NORML Conference, a three-day event devoted to reform of marijuana laws; 304 W. Houston St., Fort Worth

Tuesday, June 8

• 2014 Clean Fleet Technologies Conference with keynote address by John L. Nau III, president and chief executive officer of Silver Eagle Distributors; 1 Stadium Drive, Sugar Land (8 a.m.-4 p.m.)