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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.

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.

The diesel engine diet Researchers correlate engine performance and durability with the properties of alternative fuels that consist of vegetable oils and animal fats. Looking at a safer future Software, other sensors will augment cameras as safety's role in the off-highway industry takes an upward spiral. Plastics expand their range From high-speed train exterior panels to powertrain components, plastics and composite materials are finding their way into more off-highway applications.

In search of the perfect burn The simultaneous download pressures on NOx and PM continue to make research into higher injection pressures and alternative combustion solutions such as homogenous-charge compression ignition attractive. One way to stop a train A new self-energizing electrohydraulic brake offers the advantages of hydraulic brake actuation without the disadvantages of a centralized hydraulic power supply. A model combustion: from art to science Analysis tools, advanced hardware provide insight into combustion process, refining the cylinder's 'big bang.' The datalinked vehicle In the fields and on the job site with GPS.

No stopping global design Global teams ride down the cyber highway. Engines play clean in the flight to meet increasing regulations Sensors, faster CPUs help reduce emissions while maintaining performance. Hydraulics have the power to control The latest generation of hydraulic systems provides an effective alternative to other forms of motion control. A home away from home Technology advances help to make equipment operators more comfortable- and more and more productive- in hte field, in the pit, and on the job site. Ryan's 'Research' put to good use The Southwest Research Institute engineer assumes SAE President duties for 2008. Biofuel effects As the off-highway industry in Europe prepares for the introduction of biofuel, specialists are attempting to anticipate potential mechanical and chemical problems it may bring to powertrain systems and component operation- and prepare the answers.

Making sense of engines Heavy-duty equipment is known for its ruggedness in harsh environments, but vehicles are not neglecting their sensitive side. The world's fastest digger gets closer JCB's Dieselmax goes 350 mph and teaches engineers much about engine capability, extreme testing, and program management. The whole system, and nothing but the system Properly implemented, an electrohydraulic system can add a great deal of automatic control, advanced performance, advanced diagnostics, and remote monitoring to a mobile application. Regenerative hydraulics The use of multiple hydraulic pumps can satisfy the needs of various circuits in off-highway equipment. The gas is greener Biofuels promise to help reduce petroleum cinsumption and CO2 emissions, but much of the potential depends on production and infrastructure investments. Material returns Effective use of materials information is important to engineers in development of parts and components.

Next-generation power Additional benefits for commercial customers may drive hybrid technology adoption. Shake and bake: a recipe for testing Vehicles, components endure much in-lab abuse before they enter the commercial-vehicle market. Fuel for thought The performance and emissions of a stationary single-cylinder diesel engine is evaluated using an ethanol blend with diesel and jet fuels.

Electronics invade the cab Joysticks and displays lead the transitions from mechanical links. Developing alternatives According to Ford Power Products, hydrogen-powered engines can be a reality, but while waiting for them to be economical with a developed infrastructure, other alternatives to diesel and gasoline are available. Optimization of structural components Researchers from Dana present a new design methodology to develop structural components using computer-aided engineering tools.

Off-highway CVTs A continuously variable transmission can improve the fuel efficiency of heavy-duty diesels by matching the engine's torque/speed to the applied load through the smooth torque multiplication of the transmission. Hydraulics for economics The design of a digitally controlled hydraulic fan drive from Denison Hydraulics is said to help diesel engines run leaner and cleaner. Telematics boosts productivity Advances in electronic technology enables equipment owners and operators to monitor not only usage, but location of equipment. A dumper on tracks Industrial vehicles featuring composite rubber-tracked drive systems have become increasingly popular over the past 10 years, carving out a respectable niche in many specialized industries.

Lightpipe design According to Breault Research Organization, any off-highway instrument or control that needs illumination is a candidate for a lightpipe to take light from where it is generated to where it is needed. The biodiesel choice Experts from the Natural Biodiesel Board believe it is time to consider alternatives to the current fuel structure. One solution to rising fuel prices is the pursuit of biodiesel fuels. Understanding machining difficulties in gray iron Bosch Braking Systems' engineers look more closely than usual at iron brake rotor samples to give new insights into critical characteristics of the material. Caterpillar mining for customers With commodity prices low, Caterpillar wants to make mining as productive an enterprise as possible for customers.

Simulating air-conditioning performance A computer program developed by Modine Climate Systems and Modelogics helps determine and optimize air-conditioning system performance. Reduced mass haul-truck design concepts Liebherr Mining trucks adopted a reduced structural mass approach to convert unladen weight directly into payload, while simultaneously incorporating state-of-the-art driveline technology. Optimizing a tractor frame for improved cabin NVH To address an aging agricultural workforce and modern ergonomic guidelines, researchers at Doshisha University and Kubota modeled medium- and large-sized agricultural tractors to reduce vibration and noise and increase comfort. Applying 3d-CAD to turbocharger development Ishkawajima-Harima Heavy Industries has developed a 3d-CAD system for turbochargers. satisfying requirements for digital mockup development.

Technology for small-engine emissions reduction Swiss researchers used a modern four-stroke engine in conjunction with a commercially available catalytic converter and special gasoline to develop a significantly cleaner-running walk-behind mower. Large-scale application of J1939 The SAE electronic systems communication standard provides a method for achieving engineering flexibility, product standardization, parts rationalization, service, and customer convenience. Focus on electronics OEMs and their suppliers are developing vehicle systems for improved vehicle operation and reliability/durability with the help of electronics. The following pages review some recent industry advancements. 2000 SAE International Off-Highway Congress: one for the ages From antique off-highway equipment to the latest in intelligent vehicle technology, the 2000 SAE International Off-Highway & Powerplant Congress & Exposition brings yesterday and tomorrow together today.

Simulating cab noise and vibration Researchers at kubota and Doshisha University have established a prediction method for the engine-idling state using statistical energy analysis. Manufacturing cost estimating Caterpillar's ACT Group uses Micro Estimating Systems' computer-aided estimating program to increase efficiency and decrease operating costs in powder-metal part manufacturing. In search of greener pastures Agricultural OEMs are looking at the total life cycle to develop more environmentally conscious products and processes. Emissions and lubrication More stringent diesel emissions legislation is placing an increased burden on engine lubricant in the form of soot loading.

Integration opens the door Semiconductor suppliers are integrating many functions into power devices while also cutting power consumption in an environment, automotive doors, where 8-bit microcontrollers still hold sway.

UK plc? It's the only place to be! Where is the best location for global car makers and suppliers to grow their businesses and research and development? The UK, says AIO's Joe Greenwell, without hesitation. Ian Adcock reports Time for a rethink A free-piston IC generator has been developed for range-extended hybrids. Steven Ashley looks at the implications One champ, two contenders Breakthrough battery technology and electric power assist are the key factors that will accelerate the transition to 48 volts, says Ian Adcock

Spotlight on Bernard Gilmont Ian Adcock talks with the European Aluminium Association director about light weighting and improved vehicle efficiency Hydrogen: The Power Broker Andrew English on the challenges of storing hydrogen, using metal-organic frameworks Bridging the gap In an Automotive Design exclusive, Richard Yarrow reveals the secrets behind Harman's interconnected infotainment technology

Teams make unique statements at FSAE Michigan Some statements produced better results than others, but all teams walked away from the 2014 FSAE Michigan event with invaluable hands-on engineering experience. Teams get 'super' results at SAE Supermileage University students from around the world gathered in Marshall, MI, to determine which team could achieve the highest fuel economy at the 353th anniversary of the competition. Competition winners react to attaining coveted F1 engineering roles Two of the winners have Formula SAE experience on their side.

Have diesel will race (and learn) Mazda's factory SkyActiv diesel race program switched to the Prototype class in 2014, teaching the SpeedSource team valuable engineering lessons for 2015. Starting and developing an engineering career: barriers and opportunities Very strong role models who have a marked enthusiasm for their subject are needed at every point along an employee's education and work career. The knock on gasoline engines Two major strategies to increase the efficiency of SI engines are to raise the compression ratio and to downsize the engine using a turbocharger, but both have issues with knock. Researchers at Massachusetts Institute of Technology's Sloan Automotive Laboratory tackle the problem. Minecraft: getting kids into coding Stephen Foster, CEO and Co-founder of THOUGHTSTEM, has a new outlook on STEM education and the utilities that can be used to get kids involved in software coding.

Diesel gets a promotion at SAE Clean Snowmobile Challenge The main rules change for the 2015 season is creation of a new engine category (diesel), the event's organizer notes in providing an overview of the SAE Collegiate Design Series competition. Wisconsin-Stout puts faith in gearbox redesign for Baja Blue Devil Racing Team believes packaging and durability advantages more than offset weight and low-end-torque penalties. Test cell at Kansas University does double duty Single-cylinder engine test cell designed for research into biodiesel also serves as an instruction tool for students. University of Michigan students have hand in Volt battery reliability Technology co-developed by U of M monitors the quality of welds used in the joining of Chevy Volt battery cells.