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UNIVERSAL CITY, Calif. — An official with the Chicago Climate Exchange said the demand for cleaner engines and alternative fuels in the United States will increase as membership in its cap-and-trade emission trading system expands.

UNIVERSAL CITY, Calif. — The president of the Long Beach Harbor Commission said a licensing system would be “up and running within five years” at his port and the neighboring Port of Los Angeles to ensure all trucks entering the facilities meet strict emission standards.

Ryder System said Monday its board approved a 3-cent increase in its dividend, boosting the payout to 21 cents a share.

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Trailer-tracking technology maker SkyBitz Inc. and has teamed with Stemco LP to offer mileage readings in conjunction with real-time trailer tracking for commercial fleets and trailer leasing companies, the two said Monday.

Ryder System’s fourth-quarter profit rose 12% to $65.8 million or $1.08 cents a share, from $58.8 million or 92 cents a year earlier.

Less-than-truckload carrier Saia Inc. said Thursday it has acquired Wisconsin-based LTL company Madison Freight Systems for about $2.5 million.

Truckload carrier Landstar System’s fourth-quarter net income fell to $28.7 million or 50 cents a share, from $41.8 million or 70 cents a year earlier.

The president of trucking software provider TMW Systems said he does not expect a slowdown in sales this year, even as some trucking companies face a downturn in demand for freight-hauling services.