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Safety steps up Electronic controls let suppliers improve safety without sacrificing reliability.

Technology crosses industry borders Between the commercial- and military - vehicle markets, knowledge sharing and tech transfer benefit both in areas such as vehicle electrification and alternative fuels.

Tier 4 for large bore Engineers show that a pre-turbine aftertreatment system offers clear and distinct benefits in terms of compact, cost-effective emissions reductions. Programmed for safety and reliability The software that adds features and functions is becoming more reliable as standards and new techniques transform design processes. Electrohydraulics improve with new lift-control strategy Fuel consumption, torque delivery, and emissions can all be improved through flexible control of the valve timing, duration, and lift.

CAE simulation and test advance together With increasing pressures on companies to develop products faster with less cost, CAE simulation and physical test forge stronger ties.

Materials' effect on aftertreatment Researchers from Tenneco discuss DPF acoustic performance through an evaluation of various materials and conditions.

The man challenges of Tier 4 engineering Cutting and controlling emissions are the surface goals, but designers must also manage to cut and control costs, while adding complexity. A cool look at heat protection CFD is used to predict flow and thermal fields within the engine compartment both at steady state and transient conditions. Hushing hydraulics Researchers from the Georgia Institute of Technology put their energies into novel, compact devices for reducing fluid-borne noise.

Working together to meet Tier 4 requirements Engines and hydraulics are brought together by electronics and software. Turning engineers on- and off Top engineering executives from Daimler Trucks North America lead the technology discussion at this year's SAE Commercial Vehicle Engineering Congress, again covering topics paramount to both on- and off- highway engineers.

Losing weight with lost foam casting Equipment made with lightweight materials can improve fuel consumption and increase available payload capacity.

What we have here is a desire to communicate Telematic service and equipment providers are racing to gain market share in what's expected to become a solid long-term market. Sizing up accumulators No other feature of a hydraulic hybrid has more effect on the end performance of the powertrain than the accumulator. modeling helps to provide specific guidance with regard to establishing pre-charge pressure. Beating a path to biodiesel Multiple pathways are being pursued to increase biodiesel use, reduce dependence on petroleum, and improve the environment, but the best route is not yet known.

Perking up fatigue analysis with simulation Using CAE simulation tools for fatigue and durability offers advantages to off-highway equipment engineers as they have grown in capability.

Enlisting aluminum The need for lighter weight and better efficiency has led to oncreased application of aluminum armor plate for military vehicles.

Cummins Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - Tier 4 Final and beyond. Mico Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - A smarter future. BorgWarner Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - meeting emissions goals with multiple technologies. Bosch Rexroth Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - The challenging future of mobile off-highway equipment. Sauer-Danfoss Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - The future of functional safety. Actio Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - Going forward with MSDS management. Eaton Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - If we build it, they will come.

A model in aftertreatment A look at 1-D numerical models, based on chemical kinetics derived for real-world catalysts, for a vanadium oxide ammonia SCR catalyst and a PGM-based DOC.

Natural bodies Researchers explore the benefits of natural fibers-coconut fibers, in particular- in the construction of novel hybrid composite-molded body panels.

Saving space To address packaging constraints in off-highway equipment, engineers developed a fuel vaporizer catalyst that makes for a more compact aftertreatment system. Steering toward safety A look at new technology concepts to overcome design issues inherent in adapting steering angle for heavy-duty applications. A fluid performance Researchers have developed a procedure to measure a fluid's effect on the degree to which mechanical power is efficiently converted to hydraulic power in pumps typical of off-highway applications.

May the flow force be with hydraulic systems In terms of the flow forces in spool valves, the systems engineer can use flow-force-compensated valves to simplify system design and reduce stability issues that might occur when the valve interacts with other parts of the system.

A quiet revolution Optimizing design, while minimizing NVH, in off-highway equipment and systems. Inferential sensing Engineers propose an onboard electronics hardware and software architecture that can deliver condition-based maintenance solutions in a low-cost platform. Lightweight but heavy duty A look at the design, analysis, testing, and application engineering performed to develop a selectively reinforced brake drum made of aluminum metal matrix composite. Shifting gears smoothly Ric Kleine, a 30-year veteran of Cummins Inc. and former SAE Commercial Vehicle VP, seeks continuity over change as he moves into SAE's driver's seat.

Staring down a nozzle Researchers analyze the flow pattern inside a diesel engine injection nozzle to determine the relationship between various flow parameters and the occurence of caviation.

Programmed for success Software plays an increasingly important role in equipment design, bringing new functions and enhanced efficiency.

Top technologies of 2010 Abridged versions of the most significant innovations as voted on by readers. To read the full veresions of the year's top technologies, including interviews with engineers, visit the website at the end of each story. Trends impacting military and defense engineering Industry leaders discussed a number of pressing issues- ranging from the need for more young engineers to significantly compressed design cycles- at the recent SAE Commercial Vehicle Engineering Congress. Biomaterials: more to come Plants and animals-renewable resources- have begun to make measurable contributions to materials for equipment design.