True, they don’t have a patent on it. But the green leaf dominates their branding. Is that a problem for Sunnyvale’s new logo? I think not. In the first place, a fair number of Sunnyvale ...

The Green Leaf is a signifier of the most fuel-efficient route. It will show up next to preferred transport modes like walking and cycling by default. But it also appears on car journeys ...

Hyundai has rolled out a Blue Drive logo for its clean cars. It is reserved for especially ... Nissan seems to have missed the irony in coloring its Leaf blue, not green. With mileage guidelines ...