Well I think the pressure to get prices down will come from the Spanish government. The truckers have really turned life upside down for people, and the people will put pressure on the govt. If you read the article you'll see that stores are running out of food because of this strike, in some areas half the gas stations have run out of fuel. Tourist areas are suffering. Tourism is hurting and this is high season.
Car dealers aren't getting cars, etc, etc.