NFI Group sees smooth road ahead for its zero-emission buses SUPPLIED Like every other company, NFI Group had a rough ride in 2020, but unlike many other industries, the road ahead should be much smoother for the local bus manufacturer. Like every other company, NFI Group had a rough ride in 2020, but unlike many other industries, the road ahead should be much smoother for the local bus manufacturer. That’s because there is growing evidence that zero-emission bus (ZEB) technology will lead the transportation sector and there is renewed commitment by governments in its key markets to make funds available to replace diesel buses with ZEBs despite the dramatic fall in transit bus ridership in North America during various levels of regional lockdowns.