AEM Electronics debuts a gauge that lets owners monitor ethanol content, boost and vacuum, and the air-to-fuel ratio (AFR). The 2.06-inch-diameter instrument called the Flex Fuel Wideband Failsafe Gauge includes a Bosch LSU 4.2 AFR wideband sensor to monitor and receive feedback of AFR, and an integrated sensor that reads vacuum or boost pressures up to 29 psi. It's available with or without an ethanol-content sensor for users who may already have one. The Flex Fuel Wideband Failsafe Gauge has an internal data logger that captures about 2.5 hours of AFR, as well as boost and vacuum data on a loop. There are two additional outputs that let a user log the data on an external device. The gauge is available in a variety of face and bezel colors. Learn more at www.aemelectronics.com.