OTTAWA—The federal minister in charge of affordable housing says he would like municipalities to reshape local rules to more quickly build units through the government’s national housing strategy. Social Development Minister Ahmed Hussen says some cities and towns have already started to align their permitting and planning process with the federal strategy, but adds many have not. He says it would be key to boosting the supply of housing and rental units that should ease costs fuelled by rising demand. In an interview with The Canadian Press, Hussen says he’s particularly concerned cities aren’t doing enough to add units in the areas between the suburbs and downtown cores in a process known as intensification. Hussen and Finance Minister Chrystia Freeland earlier this week met with experts about the country’s hot housing market, which has made it more difficult for some to buy alongside limited options for rental units. “It’s not …