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Dean''s next mode of transportation was the bicycle (shown in Figure 2). Like most kids, he gained a sense of independence, learned new skills (balance), and experienced new thrills (speed)! He discovered that unforeseen circumstances can lead to personal injury. He also learned valuable lessons about looking ahead for hidden dangers and judging distances in the event of having to make an emergency stop or maneuver. Bike riding is great preparation for learning to drive a fun kart.Figure 3 is a photo of Dean and his 6-year-old brother, Jacob, riding in an entry-level fun kart. This is where driver training really gets serious, This fun kart has a steering wheel, accelerator and brake pedals, and three-point safety seat/shoulder belts. Due to their low center of gravity, the two-seat models safely carry a passenger and driver--when driven as recommended by the manufacturer (at a safe speed for the present road conditions and hazards). All fun karts are required to have overhead brush guards to provide limited protection against obstacles in compliance with American Fun Kart Association (AFKA) standards. All karts are also required to have drive-train guards to protect against entanglement of such objects as clothing and hair. Dean is sitting on his dad''s quad in Figure 4 (see page 20). He is not yet allowed to drive it! Although many quads are driven by youngsters, too many of them have terrible accidents because of excessive speed, a high center of gravity, and a lack of rider protection. Also, handlebar steering and the coordination necessary for hand-and-foot braking are not skills that will carry over to driving a street-legal vehicle.

The MorElectric system began lab tests in 2002, and is currently testing in on-highway truck applications. Commercial production is expected in early 2005. Caterpillar expects the system to be used in a variety of trucks as well as off-highway, marine and military applications as well. Ort said Caterpillar is looking for partners for market exposure and field validation testing opportunities beginning this September.The development of the system grew, in part, out of a Dept. of Energy (DOE) program called "Parasitic Energy Loss Reduction and Enabling Technologies for Class 7/8 Trucks." This 42 month, $4.4 million research program started in May 2000 and brought together Cat Electronics, Kenworth Truck, Engineered Machined Products, a major supplier of water pumps to the heavy-duty diesel business, and Emerson Electric.