That's the level of improvement that Walmart says it has achieved in its US fleet efficiency since 2005, according to the retail giant's just released Global Responsibility Report. It's not exactly clear how that measure is calculated, but it is probably something like cases delivered per mile driven, though there may also be some factor related to improved fuel mileage. That progress towards a goal of achieving 100% improvement from 2005 levels by the end of 2015. Walmart's improvement in fleet efficiency was 3.2% in 2014, likely indicating that additional gains are increasingly hard to find. Still, 87.4% improvement over 9 years has to have led to major costs reductions - in addition to the lower CO2 benefits - however it is calculated.

The very sluggish growth in real US GDP in Q1, according to the first estimate this week by the Bureau of Economic Analysis That was obviously a very disappointing number, though the growth rate will go through several more rounds of estimates before being finalized. This is a huge deceleration from Q4 2014, when real GDP gained a modest 2.2%. Economists on average were anticipating growth of 1% in Q1. Some economists are saying there is something funny with this number, and there will be a catch up in Q2, but we will note a very weak Q1 in 2014 basically ensured that for the full year US economic growth would be modest at best, coming in at 2.4% last year.