The numbers are in, and for the Nissan Leaf electric car, they're not pretty. Despite a boost in its EPA-rated range from 84 to 107 miles, its year-to-date sales of 4,697 units are down 40 percent on the 7,742 that were sold in the same five months last year. And those were down on the total of 10,389 over the year-earlier total during the first five months of 2014. A host of reasons for the steady decline is possible, but journalist Brooke Crothers suggested in Forbes that it's all due to what he calls the "Tesla Model 3 effect." As defined under the more general category of the Osborne Effect, this is essentially a whole host of interested buyers for an existing tech product choosing to postpone their purchases because a new, better, cheaper, more capable product has been announced for some point in the future. Crothers suggests that the publicity around the 400,000 people who gave Tesla $1,000 each for a place in the waiting list for those Model 3s has convinced many potential Leaf buyers that Something Much Better is just around the corner.