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Automotive engineering has been a game of delivering more value with minimal resources confronting conflicting design choices at every design step. As more and more electronics enters the game, it becomes imperative to critically evaluate various design choices to deliver a robust hardware backbone which guarantees a robust performance on an ever-reducing budget. Hardware interface with the outside environment in particular needs to be equipped with a significant robustness. Harsh transients, tough environmental conditions, further complicate the rules to the game. This paper discusses various hardware design techniques which aim to meet the formidable challenges posed by the automotive requirements. It also points out pitfalls behind various design options where the designer may be tempted to reduce the cost at the risk of defaulting over the robustness on one hand and may misinterpret the design requirements and unnecessarily increase the cost on the other hand.