Gas first began to be popular because it was ………

Twenty years ago, before the North Sea discoveries, gas was already becoming the most popular domestic fuel largely because of the success of the new gas fires and the growing new demand for central heating. It wasn't the cheapest fuel on the market then, though costs were being held down because of efficient new production and business methods. But its controllability, cleanliness, and other advantages, with the efficiency and attractiveness of the new gas appliances, made gas a winner. Today, with 3 million more customers, gas is the long-established market leader. On latest figures, for example, it accounts for over three quarters of all new Central heating installations in Britain.