A new analysis shows big oil companies are much more reluctant to lower gasoline prices when crude prices drop than they are to raise prices when crude costs rise. In one example documented by the group Accountable.US, when crude prices dropped by just over 1% in April, oil companies raised gas prices by nearly 2%. Jordan Schreiber, energy and environment director for the group, said Wyoming consumers might expect prices at the pump to go down as the cost of crude oil drops, but gas prices remain stubbornly high. ...