July 8 (UPI) -- The U.S. Department of the Interior on Tuesday took steps to make it easier for oil and gas companies to "commingle" multiple U.S. onshore drilling lease applications. The proposed updates to oil and gas regulations in DOI's Bureau of Land Management would allow gas and oil company operators to combine, or commingle, multiple federal leases as a means to boost productivity and, the department added, to "better reflect modern industry practices." "This is about common sense and