We suck? No, James Dyson. It is you who suck – Bosch and Siemens

Companies blow hot over energy efficiency accusations

Bosch and Siemens are taking legal steps "in Great Britain" against Dyson over what it terms the "false allegations" made by the British manufacturer that the German companies had cheated in vacuum-cleaner energy efficiency tests in "behaviour ... akin to that seen in the Volkswagen scandal"."