Nissan is testing a Cooperative Adaptive Cruise Control system (CCM) that lets a lead vehicle share real‑time data with following Nissan cars, even when non‑CCM vehicles sit between them. By maintaining a 30‑ to 60‑second gap and smoothing deceleration, the system seeks to curb the stop‑and‑go waves that cause congestion. Senior researcher Jerry Chou describes the approach as “mixed autonomy,” using embedded LTE modems and cloud connectivity rather than DSRC. Simulations suggest noticeable benefits at just 4‑5 percent market penetration, and future plans include driver feedback and potential licensing to other automakers.
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