West Texas Intermediate between the two has once again increased to over $14, but was back down to $4 by the end of 2014. West Texas Intermediate West Texas Intermediate (WTI), also known as Texas light sweet, is a grade of crude oil used as a benchmark in oil pricing. This grade is described as Medium crude oil because of its relatively low density, and sweet because of its low sulfur content. It is the underlying commodity of New York Mercantile Exchange's oil futures contracts. The price of WTI is often referenced in news reports on oil prices, alongside the price of Brent
Eco-costs value ratio and what this means to product portfolio strategies of companies. The solution is Eco-efficient Value Creation. The way towards sustainability requires a double aim in product innovation, see Figure 7: We call this: eco-efficient value creation. The reason we need value creation for eco-efficient products is threefold: Below, an example of eco-efficient value creation is given, which is the introduction of the Lexus RX 400h in the USA: Note that the acceleration of a car is an interesting issue in terms of value. High acceleration is associated with expensive sports cars (Porsche, Ferrari). But people who buy these fast cars