The Nova Scotia government is seeking more than $900,000 from the directors of a defunct fuel and heating oil company for taxes that were collected from customers in the years before it went bankrupt but which were never turned over to the province.The provincial fuel tax issue is adding to the catalogue of financial woes faced by Maritime Fuels that have trickled out since it abruptly closed down last fall, owing more than $51 million to creditors, including $2.5 million to customers who prepai