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Hi Ron, Sonar is used during construction, pre-construction and even OPEX phase of O&G fields as well. Singling out offshore wind turbines is way off. sorry.

Russia’s Oil Revenues Plunged By 48% In February https://oilprice.com/Latest-Energy-News/World-News/Russias-Oil-Revenues-Plunged-By-48-In-February.html

A lot of old folks want their full freedom as long as possible, that means driving. Fortunately I have let my younger wife be my chauffeur for about twenty years. I prefer to enjoy the ride, and she prefers to drive. I drive when she is too tired and that is about it. I am especially happy to have her drive through the crowded cities! We drive our big van on long trips, it safer and helps the oil industry.

Your numbers are off. Oil demand today remains robust, the highest level ever. https://oilprice.com/Energy/Energy-General/Global-Oil-Demand-Hit-Record-High-In-December.html "In December, global crude oil demand jumped to 1.3 million barrels per day, the highest level on record. While global demand soared in December, production fell to a five-month low due to lower supply from the U.S. and UK. The growth in demand in December was mainly driven by higher consumption in Japan, Indonesia, and South Korea."

For older people buying a brand new EV for $50K makes no sense economically at all, as they wont be fit to drive for long or will die. So they will never get a decent driving return on that investment. The cruncher for the elderly will be whether a 10 year old second hand EV will have any decent battery life left and what price level that is at. Personally I think for those elderly folks in and around suburbia why own a vehicle at all? Just get a cab as and when you need one, no initial outlay to buy, no servicing, no fuel, no insurance, no road tax, in fact no other costs at all! Also you get chauffered about so dont have to worry about failing eyesight, slower reaction times etc etc. I expect to see a massive increase in low cost driverless EV taxis over the next 10 years and there are plenty of firms in their infancy already starting to do this. The future isnt to actually own a vehicle at all.

Consistent with Green Energy implementation...another calamity. When will this rush to implement be taken away from amateurs and on line bloggers. https://www.cnbc.com/2021/08/19/these-electric-submarines-map-the-seafloor-to-make-way-for-wind-power.html These electric submarines map the seafloor to make way for wind power https://www.nature.com/articles/news.2008.997 Whales subjected to military sonar will neither dive nor feed, according to an unpublished 2007 report from the UK military, obtained by Nature after a request under the Freedom of Information Act 2000. The impact of sonar on whales has become an increasingly fraught issue in recent years, with submarine exercises being linked to several high-profile mass strandings. The US Navy has admitted concerns over sonar’s effects on marine mammals, although actual evidence for harm has been in short supply.

Environmental impact reports are usually quite stringent so I would expect it to be addressed If it was not , then it should be redone and construction delayed. Fishermen's sonar is low power and unrelated to this issue. Bridges and underwater construction has gone on for hundreds of years before sonar. I do not claim to be very knowledgeable in this area and I doubt if you are either. Have you read the Wikipedia articles I used?