"why is there a news blackout on reporting this?"

There's no blackout, Barb.
I haven't seen it firsthand but I'm sure Bakken crude continues to rumble through Lac Megantic. There was talk of moving the line away from the downtown core but I don't know if that's been done.

MMA went broke after the 2103 inferno and was bought by Central Maine & Quebec Railway. Their website says they've been operating since 2104 and that their "primary cargoes include... energy products."