The national average diesel price edged up for the second consecutive week, a 3.4-cent bump to $3.769, according to Energy Information Administration data released June 24.

The national average diesel price reversed course and swung up 7.7 cents to $3.735, ending nine straight declines, according to Energy Information Administration data released June 17.

The national average diesel price keeps dropping, decreasing 6.8 cents a gallon to $3.658, according to Energy Information Administration data released June 10.

The national average diesel price extended its downward movement, shedding 3.2 cents a gallon to $3.726, according to Energy Information Administration data released June 3.

The national average diesel price dropped 3.1 cents to reach $3.758, its lowest point in more than two years, according to Energy Information Administration data on May 27.

The national average diesel price dropped for the fifth consecutive week, falling 4.6 cents to reach $3.848 a gallon, according to Energy Information Administration data released May 13.

The national average diesel price slid 5.3 cents a gallon to settle below $3.90 for the first time in 13 weeks, according to Energy Information Administration data released May 6.

The national average diesel price continued to go lower, dropping 4.5 cents to reach $3.947 a gallon, according to Energy Information Administration data released April 29.

The national average diesel price dipped 2.3 cents to edge below $4 a gallon, according to Energy Information Administration data released April 22.

The global diesel market is deteriorating, a concerning economic signal and food for thought for bullish oil traders.