Technology Briefs - Sept. 27 - Oct. 3
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The Latest Headlines:
- Mack Displays Hybrid Truck at U.S. Capitol
- Texas Delays Diesel Emission Rule
- Amerityre to Develop Retreads for Medium-Duty Trucks
- Texas Delays Diesel Emission Rule
Mack Displays Hybrid Truck at U.S. Capitol
Mack Truck on Thursday presented a prototype of a hybrid powertrain for heavy-duty trucks outside the U.S. Capitol building in Washington.The truck is the first of a number of hybrid vehicles that parent company the Volvo Group plans to present in the coming year, Volvo said in a statement.
The energy is stored in batteries and reused instead of diesel fuel.
Volvo said the advantages of hybrid technology include improved fuel economy, lower emissions, reduced noise levels, lower operating costs and longer intervals regarding the need for service of engines and brake systems. Transport Topics
Texas Delays Diesel Emission Rule
The Texas Commission on Environmental Quality said it would delay the implementation dates of the state’s low-emission-diesel rule by 30 days in the wake of Hurricane Rita.The new compliance dates are Oct. 30 for producers and importers, Dec. 15 for distribution facilities and Jan. 30, 2006, for retail outlets, TCEQ said.
The rule requires that diesel have a minimum cetane level of 48 and a maximum aromatic content of 10%. Transport Topics
Amerityre to Develop Retreads for Medium-Duty Trucks
Amerityre Corp. said it has begun development of a polyurethane tire compound and manufacturing process for retreading medium-duty commercial truck tiresThe company said it would treat tires with a polyurethane elastomer tread compound that has been tested successfully in passenger car tire.
It said it believed the process was a natural fit for medium-duty commercial truck tires used by over-the-road truck fleets.
"In both endurance and high-speed testing, our polyurethane compounds have run substantially cooler than rubber,” said Richard Steinke, Amerityre’s chief executive officer. Transport Topics
