Harley-Davidson is releasing details about the electric motorcycle it’s rolling out this year that it hopes will capture the imagination of a new generation of riders and put a charge into its diminishing sales. The LiveWire, which will soon be available in a limited number of dealerships, will cost nearly $30,000 and can go zero to 60 mph in three seconds. There is no clutch and no shifting. The company said Thursday that buyers will have access to free charging at participating LiveWire dealers for the first two years. The Milwaukee motorcycle company has struggled with declining sales and an...