sentences:  Since then, he has been a leader on increasing accountability in government and restraining tax increases.He reformed the city's budget process into an "outcome-based" model, emphasizing transparency, public input, and results-based policy-making to deliver the city's goals quickly and efficiently.Under Mayor Marchand, the city of Portsmouth became a national leader in 21st century green energy policy, reducing greenhouse gas emissions, conserving energy, and saving taxpayers money.