The New Flyer Low Floor was a line of low-floor transit buses available in 30' rigid, 35' rigid, 40' rigid, and 60' articulated lengths manufactured by New Flyer Industries between 1991 and 2014. In addition to the different available lengths, the buses were sold with a variety of prime movers, ranging from conventional diesel and CNG combustion engines to diesel-electric hybrid, gasoline hybrid, and hydrogen fuel cell. The New Flyer Low Floor was restyled in 2005, resulting in two distinct variants: the Low Floor Restyled (LFR), which largely replaced the conventional Low Floor for transit service, and the Low Floor Advanced (LFA), which was intended for bus rapid transit service. New Flyer introduced the Invero in 1999 with the intent that it would replace the Low Floor line, but few wer