Vinod Khosla

Khosla is a technology innovator and venture capitalist based in Silicon Valley.

Clarifying my position on lithium ion batteries

The limits of today’s electric car technology

Recently, there has been some blog chatter about my comments on the future of lithium ion batteries — my goal here is to clarify my stance. I do believe that these batteries have been over-hyped …

How biofuels are like drugs

Not all biofuels are the same; we can do biofuel well or poorly

To my surprise, recently I found myself the subject of an editorial by the Wall Street Journal which characterized me as a strong advocate of subsidies for food-based ethanol, and as a recipient of "federal …

Biofictions

Wall Street Journal editorial mischaracterizes both my position and biofuels

To my surprise, on Tuesday I found myself cited by the Wall Street Journal as a strong advocate of subsidies for food-based ethanol, and as a recipient of "federal dole" who ought to "take a …

Biomass, part III

The most critical assumption on cellulosic biofuels: yields

My most critical assumption with cellulosic biofuels is on land efficiency: tons of biomass per acre, and hence gallons of fuel produced per acre, and more accurately, miles driven per acre. I believe biomass yields …

Biomass, part II

Better agronomy for energy crops

I believe improved crop practices are a vital aspect in meeting our cellulosic feedstock needs. There are a few areas that offer significant potential: crop rotation, the use of polyculture plantations, perennials as energy crops, …

Biomass, part I

Where will biofuels and biomass feedstocks come from?

When it comes to biofuels we have choices. We can do it poorly, using short-run approaches with no potential to scale, poor trajectory, and adverse environmental impact. Or we can do it right, with sustainable, …

Pragmatists v. environmentalists, part III

Hybrids and biofuels: The road ahead

Many people make the mistake of comparing apples to oranges. One has to compare futures to futures and current status to current status. All technologies improve, but some improve more than others. The Prius gets …

Pragmatists v. environmentalists, part II

Hybrid emissions: Facts and numbers

Having laid out my views in part I, let me turn to the actual data regarding hybrids -- both from an environmental and economic perspective. How do carbon emissions per mile driven compare for various …

Pragmatists v. environmentalists, part I

Prius: Green or greenwash?

I have been accused of dissing hybrids. I was mostly discussing Prius-type parallel hybrids and all the support they get, when one can get the same carbon reduction by buying a cheaper, similar-sized and -featured …