The Attorney General is authorized, when directed by the Governor, to institute legal proceedings in any court or before any commission or committee of any state or of the United States to obtain the establishment and maintenance of just and reasonable rates for transportation of fuel and other articles and commodities by railroad and by vessels and to compel common carriers to establish, apply and observe just and reasonable rules, classifications and practices in connection with such transportation.
Conn. Gen. Stat. § 3-130
(1949 Rev., S. 218.)