The Senate Armed Services Committee followed House's lead in moving to prevent the Defense Department from using alternative fuels that cost more than conventional fossil fuels, narrowly passing the language just a month before the Navy begins its biggest biofuel demonstration in the Pacific. During its mark-up of the fiscal year 2013 defense authorization bill, the Senate Armed Services Committee voted 13 to 12 to prohibit any money "from being obligated or expended for the production or sole purchase of...