The Navy, Agriculture and Energy departments have released a request for information on how to best develop "drop-in" advanced biofuels for public- and private-sector transportation, Navy Secretary Ray Mabus said today. "Drop-in" biofuels serve as replacements for petroleum products and use the same refining and distribution network, according to DOE. The RFI will be open for one month with responses due at the end of September. Also, there will be at least one industry day "over the next weeks and...