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USA: Weight Key Issue for LNG Trucks, Conference Concludes

With fuel savings between $1.50 and $2.00 per diesel gallon equivalent (dge), LNG-fueled trucks are being used by fleets for their most demanding routes: heavy haul, double-shift operations where truckers can consume 200 gallons per day, the World LNG Fuels conference concluded in January.

By using domestic LNG, operators can save as much as $75,000 annually in fuel costs, enough to pay for the cost of LNG equipment in 18 months.

Hindering this, however, is the higher weight of the LNG-fueled trucks, which weigh between 1,800 and 2,000 pounds (820 and 910 kg) more than their diesel counterparts. By law, most tractor-trailer combinations are limited to 80,000 pounds. Once the weight of the truck and trailer are deducted, payload capacity can be as little as 35,000 pounds. Thus, an increase in truck weight of 1,800 to 2,000 pounds can wipe away profits.

Truckers like Hoopes Transport President Preston Hoopes would like the U.S. DOT to consider waivers for the extra weight, given the benefits of the cleaner, domestic fuel.

“We need the government to allow extra weight. If the government wants us to use domestic LNG and CNG, they’ve got to give us weight help on our trucks,” Hoopes told World LNG Fuels 2013, held in Houston.

“We’re trying to get another trucking company in Pennsylvania to use LNG. They said ‘we can’t afford the extra weight, 2,000 extra pounds, which over a year’s time costs $20,000 in lost revenue,’” he said.

Hoopes operates some 50 trucks, 16 of which are LNG fueled, for a variety of cargos. In recent months, management has assigned their LNG units to their most fuel-intensive routes. They would like to move into the LNG-fuel supply business if the issue of weight can be resolved.

USA: Weight Key Issue for LNG Trucks, Conference Concludes LNG World News.

U.A.E: Unique Maritime Group Introduces Light Weight Taut Wire MK 15 B

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Unique Maritime Group, one of the world’s leading integrated turnkey subsea and offshore solution providers, announced today the introduction of the Light Weight Taut Wire MK 15 B to their rental pool inventory.

The Light Weight Taut Wire Mk 15B is a position-reference system used extensively with Dynamic Positioning of vessels, which is designed to provide accurate data of a surface vessel’s movement with respect to the position of a depressor weight on the sea floor.

Harry Gandhi, CEO of Unique Maritime Group commented on the addition “We are happy to introduce this Cost-effective, Well-proven and reliable technology to our customers with an operational water depth up to 300 m”.

The Light Weight Taut Wire Mk 15B is a position reference system designed for use in deck-mounted port or starboard position on surface vessels. A wire is maintained at a constant tension by means of a depressor weight on the sea-bed and a pneumatic and electric servo-assisted “mooring” system. Any movement of the vessel will cause the tensioned wire to deviate from its initial inclination. This movement activates potentiometers mounted in the gimbal (sensor) head and produces changes of analogue signals directly proportional to the deviation in inclination, which is interfaced to the Dynamic Positioning of the vessel.

About Unique Maritime Group

Founded in 1993, Unique Maritime Group is one of the world’s leading integrated turnkey subsea and offshore solution providers. Through its expanding network of companies, UMG is a specialist in the provision of services, and the sale and rental of equipment for the marine, diving, hydrographic, oceanographic, and NDT market sectors. The group has an established manufacturing capability for the delivery of customized engineering projects worldwide. UMG has local presence in USA, UK, South Africa, India, Middle East, Russia and Singapore and employs over 500 people worldwide.

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