Let me start with a rather monumental report published by the International Energy Agency: Net Zero by 2050 A Roadmap for the Global Energy Sector There are 400 milestones to get there from here.   For success, the world will need to fully commit.  Hasn't happened yet. Most state or national efforts of this sort usually only address electricity.  This will be the easy part, for wind and solar options are well developed, with storage being the primary, and serious, concern. What about aviation?   Nothing much is ongoing today to address this matter.   There is some mumbling about jet fuel from biomass, but every major attempt has failed to be economically competitive.   Part of the difficulty has been the  collapse of oil prices , which were above $100/barrel for a while from 2010 to 2015, but has since then largely been below that level, more recently at around $80/barrel. So for nostalgic Tuesday, let me go back to my posting of 20June2011 on  JETFUEL FROM MACROALGAL PLANTATIONS .

The  Inflation Reduction Act , to be signed today by President Joe Biden, provides generous funds for renewable energy.  I thus thought I'd go back to a dozen years ago when I wrote on this subject, and see how in 2022 things have changed.  You can  read the 730-page bill here .  In summary: In the past, the Farm Lobby had a heavy influence, and snuck in a stinker:  ETHANOL!  This new legislation used ethanol only 3 times, while biofuel appears 11 times.  Hydrogen?  65 times.  Nuclear has 25 references, and gained some ground in this package. $9 billion in home energy rebates. $30 billion in production tax credits for solar, wind, batteries, aviation and other biofuels, plus critical minerals. $20 billion in loans to build clean vehicle manufacturing facilities in this country. $2 billion to national labs to accelerate breakthrough energy research. A methane emissions reduction program. Well, the Farm Lobby scored again, for there is a sum of $20 billion to support climate-smart ag

A lot of developments about the vultures hovering over Donald Trump's attempted coup: Like what is happening in the state of  Georgia .  Senator  Lindsey Graham  said he would challenge the subpoena, but a state grand jury is not the same as a congressional committee.  Court challenge or not, the state can arrest anyone who does not comply.  House January 6 Committee getting  Pat Cipollone  to provide a second video testimony tomorrow, which they will no doubt crystallize and show at their next hearing, to occur on  Tuesday, July 13 . The posting today is a follow-up to yesterday, when I linked an economic recession to the sudden price jump for petroleum.  Does high oil prices have other potential effects?  I HAD A DREAM Monday night.   However, nothing about civil rights or Martin Luther King. My dreams are mostly weird and distracting. The only truly rewarding one--and this was more a day dream when trying to take a nap on a plane--giving me inspiration to overcome an onerous pro

Everything else being equal, a fuel cell vehicle using hydrogen will take it two to five times further than one using batteries : While most fully electric vehicles can travel between 100-200 miles on a single charge, hydrogen ones can get to 300 miles, according to   AutomotiveTechnologies . The Tesla goes 300 miles on a single charge, but it is a very expensive investment.  Further, one pound of hydrogen gas has 236 times more energy than one pound of lithium-ion batteries. In any case, it makes no sense to select a hydrogen-powered fuel cell car now because clean hydrogen is too expensive.  95% of all the available supply today comes from reforming natural gas.  Plus, battery-charging stations are mushrooming throughout the world, which is not so for hydrogen stations. While electric vehicles today mostly use electricity from fossil fuel power plants, in time this problem should be alleviated when more sunlight, winds and other renewable options become prominent.  Then there should