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The article is broken down into topics, each deserving its own thread. I found this topic to be of special interest.

42-Volt Architecture

The success of drive-by-wire technology depends on the ability of engineers to develop a more robust and reliable power supply system. Starting this year, automakers are slowly converting from the traditional 12/14-volt electrical standard to a new 36/42-volt architecture. The dramatic voltage increase is necessary to support power-hungry vehicles, improve overall fuel efficiency and reduce emissions.

According to Joerg Dittmer, a senior industry analyst with the automotive unit of Frost & Sullivan, 42-volt electrical systems will provide numerous benefits to automakers. For instance, the technology will allow additional onboard electrical applications and environmental friendliness. "These features make them attractive to auto manufacturers as they strive to deliver greater comfort and convenience to consumers," says Dittmer.

"Adoption of the 42-volt standard will unleash changes that will impact vehicles over many years as automakers realize more and more possibilities," adds Dittmer. "This represents both a threat and an opportunity to suppliers of electronic, electrical, mechanical and hydraulic components and systems. For example, steer-by-wire and brake-by-wire systems will challenge traditional mechanical and hydraulic systems. Insulating and housing materials made of plastic will have to have greater thermal and electrical durability than they do today.

"All major suppliers of starters, alternators and batteries are developing products for 42-volt vehicles because they cannot afford to be left behind when this technology catches on," claims Dittmer. "Additionally, suppliers of electronic equipment, power steering systems, brake systems, wire harnesses, connectors and many other components are working to meet the challenges ahead."

Dittmer says the need to initially retain two electrical systems—14 volt and 42 volt—will pose a challenge and be an added expense. But, he believes that benefits such as better fuel economy "are likely to cause automakers to spread 42-volt technology across their vehicle lines more quickly, especially once costs of components begin to come down."