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Truckload carrier J.B. Hunt Transport Services will put trailer-tracking units made by SkyBitz on its North American trailer fleet, the two said Monday.

Swedish truck maker Scania AB’s first-quarter net income rose 21% to about $420 million, or 52 cents a share, from about $350 million, or 44 cents, last year, Bloomberg reported Monday.

Saia Inc. Friday reported a first-quarter loss of $833,000, or 6 cents a share, compared with earning $3 million, or 21 cents, a year ago.

Volvo AB’s earnings rose 12% to about $707 million, as sales in Eastern Europe Russia offset North American declines, Bloomberg reported Friday.

Rail intermodal traffic fell 3.2% for the week ended Saturday compared with the same week a year ago, the Association of American Railroads said.

U.S. retail fuel prices continued to soar into uncharted territory last week, as the average price of diesel jumped another 8.4 cents to $4.143 a gallon and gasoline gained 11.9 cents to $3.508, the Department of Energy reported.

For any company that goes the route of running its own private fleet — seeking the advantage of always being its own highest-priority customer — the most common pitfall is failing to properly manage operational costs, industry officials said.

An unprecedented wave of exports, mostly to Russia, has cushioned a downturn in the Class 8 used-truck business, which has been hurt by high fuel prices and a weak freight market, according to industry executives.

Truckload carriers are slashing capacity at the highest rate in a decade in an effort to bring supply and demand into balance as fuel prices skyrocket and demand withers, according to industry experts.

New home sales fell to a 17-year low in March, the Commerce Department said Thursday.