The average price of a gallon of diesel is still rising, increasing 5.5 cents to $3.78, according to Energy Information Administration data released yesterday. Diesel has seen a recent spike, rising 16.7 cents over the past three weeks, after a brief stretch of falling prices around the holidays. Trucking\u2019s main fuel is now a dollar and change more than it was at this time last year.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices