First paragraph of the article: UK company New Motion Labs has introduced a completely different design that not only promises *better efficiency*, but also

First paragraph of the article: UK company New Motion Labs has introduced a completely different design that not only promises *better efficiency*, but also decreased wear throughout the entire drivetrain, and all without the need for laborious cleaning and lubrication procedures. The article also puts an upper bound on its claim of 2% since conventional chains are already 98% efficient. It will require new chainrings and cassettes (probably RD rollers as well).