Ford Motor (F) is trying to battle back from morning losses and options on the automaker are seeing brisk trading Wednesday. F shares hit a low of $11.59, the day after the automaker said US auto sales rose 20 percent and after Detroit News reported that Senators are proposing sweeping changes to auto safety laws. Under the proposal, penalties would be boosted for wayward automakers and regulators would have more power. Automakers are expected to request additional time to comply with mandates. Ford shares are now down 46 cents to $12.39 and options volume is 4X expected, with 139K calls and 69K puts traded. June 13 calls are the most actives. 28247 traded (66 percent Ask). Implied volatility has rallied about 15 percent to 52.5, best levels since early Feb.