Winter greens Winter greens Winter greens are green leaved vegetables, closely related to the cabbage, that are seasonably available in winter. Common vegetables described as winter greens are chard, collards, rapini, and kale. William Morgan classed Brussels sprouts, savoy cabbages and several varieties of kale as winter greens. Morgan grew these vegetables and compared their hardiness, identifying which species were most suitable for growing through cold winters. He presented his findings to the Horticultural Society of London in 1818. Late season crops "from October through December, a gardener can easily maintain and eat bok choy, pak choy (the purple pak choy is
Vegetable oils as alternative energy rapidly. In 2012 President Obama supported the idea of getting oil from algae. Vegetable oils as alternative energy Vegetable oils are increasingly used as a substitute for fossil fuels. Vegetable oils are the basis of biodiesel, which can be used like conventional diesel. Some vegetable oil blends are used in unmodified vehicles, but straight vegetable oil needs specially prepared vehicles which have a method of heating the oil to reduce its viscosity and surface tension. Another alternative is vegetable oil refining. The availability of biodiesel around the world is increasing, although still tiny compared to conventional fossil fuel sources. There